CN104697330B - Energy-saving multi items one drag two electrocast refractories smelting furnace - Google Patents
Energy-saving multi items one drag two electrocast refractories smelting furnace Download PDFInfo
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- CN104697330B CN104697330B CN201510080034.0A CN201510080034A CN104697330B CN 104697330 B CN104697330 B CN 104697330B CN 201510080034 A CN201510080034 A CN 201510080034A CN 104697330 B CN104697330 B CN 104697330B
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Abstract
The invention discloses a kind of energy-saving multi items one drag two electrocast refractories smelting furnace, including the first smelting furnace unit, second smelting furnace unit and electric furnace short net, and for dragging the first smelting furnace unit and the furnace transformer of the second smelting furnace unit operation, first smelting furnace unit and the second smelting furnace unit all include body of heater tiling arrangement, body of heater tiling arrangement is provided with furnace shell, body of heater tiling arrangement is provided with electrode lifting device and the rotary apparatus for driving electrode lifting device to rotate, electrode lifting device is provided with contact tube, contact tube front end is connected to terminal clamp, contact tube rear end is connected to water-cooled cable, the water-cooled cable other end is connected with electric furnace short net one end, the electric furnace short net other end is connected with furnace transformer.Present configuration is reasonable in design, easy to operate, and power consumption is low, and energy saving is high, multi-use, changes furnace shell convenient, is suitable for the melting of multi items refractory material, can guarantee that the smelting quality of electrocast refractories.
Description
Technical field
The present invention relates to a kind of smelting furnace, especially relate to a kind of energy-saving multi items one drag two electrocast refractories smelting furnace.
Background technology
The kind of the existing electrocast refractories smelting furnace of China mainly has three kinds, and respectively stationary furnace shell-type electric furnace, Dumpage type electric furnace and trunnion type rotate electric furnace for they.These three smelting furnace is in use respectively present following shortcoming: (1) stationary furnace shell-type electric furnace, also hulling furnace it is, its mode adopted is for after having melted a stove furnace cooling, take out electrocast refractory product, recycling founds next stove, efficiency comparison is low, single stove length consuming time, and the product quality smelted is relatively low.(2) Dumpage type electric furnace, substantially by the electric furnace arrangement for producing steel transformation of the way, has built refractory material by laying bricks or stones in its bell, furnace shell, and owing to the fusing point of refractory material is higher than the fusing point of molten steel, therefore furnace lining cost is high, the life-span is short；Owing to being a furnace shell, when will change smelting kind, it is necessary to again building refractory material in furnace shell by laying bricks or stones, do so is got up pretty troublesome, uneconomical, and cost is significantly high；It adopts intermediate water black furnace body, and cooling effect is poor, can produce gases at high pressure and explode during interlayer hydropenia；It goes out converter nose and is located between two electrodes, and tapping temperature is low, and liquation cooling is fast, is not easy to casting；Efficiency is low, yields poorly；First the electric energy of transformator passes to the short net being made up of copper bar, then passes through cable to realize the transmission of electric energy, and this electric energy transfer mode reactance is high, impedance is high, power consumption is high.(3) trunnion type rotates electric furnace, and it adopts trunnion support, rotatable 360 ° by machine driving electric furnace body, China's Abrasive Industry, this kind of pattern electric furnace of many employings, the rise fall of electrodes of this pattern smelting furnace adopts manual mode, and smelting cycle length, power consumption are high, efficiency is low and troublesome poeration.In above-mentioned three kinds of electrocast refractories smelting furnaces, owing to the efficiency of Dumpage type electric furnace is relatively high, so the melting of domestic electrocast refractories is generally adopted Dumpage type electric furnace and carrys out melting.
Summary of the invention
It is an object of the invention to overcome above-mentioned deficiency of the prior art, a kind of energy-saving multi items one drag two electrocast refractories smelting furnace is provided, its simple in construction, modern design are reasonable and easy to operate, power consumption is low, energy saving is high, multi-use, changes furnace shell convenient, it is suitable for the melting of multi items refractory material, and can guarantee that the smelting quality of electrocast refractories.
nullFor achieving the above object，The technical solution used in the present invention is: a kind of energy-saving multi items one drag two electrocast refractories smelting furnace，It is characterized in that: include the first smelting furnace unit、Second smelting furnace unit and electric furnace short net，And for dragging the first smelting furnace unit and the furnace transformer of the second smelting furnace unit operation，The structure of described first smelting furnace unit and the second smelting furnace unit is identical and all includes body of heater tiling arrangement，Described body of heater tiling arrangement is provided with furnace shell，Described body of heater tiling arrangement is provided with for passing in and out the electrode lifting device of furnace shell and the rotary apparatus for driving described electrode lifting device to rotate with moving electrode，Described electrode lifting device is arranged on described rotary apparatus，Described electrode lifting device is provided with contact tube，The front end of described contact tube is connected to the terminal clamp for clamping electrode，The rear end of described contact tube is connected to water-cooled cable，The other end of described water-cooled cable is connected with one end of electric furnace short net，The other end of described electric furnace short net is connected with furnace transformer.
Above-mentioned energy-saving multi items one drag two electrocast refractories smelting furnace, it is characterized in that: described body of heater tiling arrangement includes support and tilting cradle, described tilting cradle is arranged on the upper end of support, the front bottom end of described tilting cradle and the upper end of support are rotationally connected, the both sides of described support are provided with the turndown oil cylinder for being toppled over by tilting cradle, the base of described turndown oil cylinder is fixed on support, the beam hanger end of described turndown oil cylinder is hinged with tilting cradle, described furnace shell is arranged on tilting cradle, described furnace shell is provided with bell, described bell has electrode-inserting holes.
Above-mentioned energy-saving multi items one drag two electrocast refractories smelting furnace, it is characterized in that: described rotary apparatus includes swivel mount and is arranged on the bottom of swivel mount and for rotary oil cylinder that frame rotate is rotated, described swivel mount is arranged on the rear end of tilting cradle by axle, described axle is fixed on tilting cradle, described swivel mount and axle are rotationally connected, described swivel mount is positioned at the top of tilting cradle, one end of described rotary oil cylinder and the bottom-hinged of tilting cradle, the other end of described rotary oil cylinder and the bottom-hinged of swivel mount, described tilting cradle is provided with beam hanger and can extend into the locking cylinder locked in swivel mount and by swivel mount.
Above-mentioned energy-saving multi items one drag two electrocast refractories smelting furnace, it is characterized in that: described electrode lifting device includes column, transverse arm, reducing motor and tooth bar, described transverse arm is arranged on column, described transverse arm is provided with roller and roller can along column scroll-up/down, described transverse arm is positioned at the top of furnace shell, described tooth bar is fixed on bottom the rear end of transverse arm by connecting rod, described tooth bar is vertically arranged, described column is vertically fixed on swivel mount, described reducing motor is arranged on swivel mount, the output shaft of described reducing motor is installed with gear, the engagement of described wheel and rack drives transverse arm to move up and down, described transverse arm is provided with the electrode hold-fast body for holding or unclamp electrode tightly.
Above-mentioned energy-saving multi items one drag two electrocast refractories smelting furnace, it is characterized in that: described electrode hold-fast body includes electrode holder locking oil cylinder and electrode circle holding, described electrode holder locking oil cylinder is arranged on the rear end of transverse arm, described electrode circle holding is arranged on the front end of transverse arm, and described electrode holder locking oil cylinder is connected to be pressed on terminal clamp electrode with electrode circle holding by linkage.
Above-mentioned energy-saving multi items one drag two electrocast refractories smelting furnace, it is characterized in that: described column is provided with the suspention balance weight mechanism for suspending transverse arm in midair, described suspention balance weight mechanism includes suspension bracket, balancing weight and steel wire rope, described suspension bracket is fixed on the upper end of column, described balancing weight is positioned at column, one end of described steel wire rope is connected with balancing weight, and the other end of described steel wire rope is connected with transverse arm.
Above-mentioned energy-saving multi items one drag two electrocast refractories smelting furnace, it is characterised in that: being provided with three electrode lifting devices on described rotary apparatus, furnace shell is just being gone out converter nose by the terminal clamp on one of them electrode lifting device.
Above-mentioned energy-saving multi items one drag two electrocast refractories smelting furnace, it is characterized in that: described furnace shell be provided above feeding device, described feeding device includes feed bin and feeding funnel, described feeding funnel is positioned at the lower section of feed bin, described feed bin is fixedly mounted on building foundation, described feeding funnel is rotatably installed on building foundation, the bottom of described feed bin is provided with electro-vibrating feeder, described electro-vibrating feeder passes through wire rope suspensioning on feed bin, described feeding funnel is positioned at below the discharging opening of electro-vibrating feeder, described feeding funnel is arranged on the top of bell hopper, described bell hopper is arranged on bell；Described building foundation is provided with the rotating mechanism for driving feeding funnel to rotate, described rotating mechanism includes connecting plate and electric pushrod, described connecting plate is fixed on feeding funnel, and described connecting plate is hinged with one end of electric pushrod, and the other end of described electric pushrod is hinged with building foundation.
Above-mentioned energy-saving multi items one drag two electrocast refractories smelting furnace, it is characterised in that: the port of described furnace shell is installed below the shower for its outer surface is sprayed.
Above-mentioned energy-saving multi items one drag two electrocast refractories smelting furnace, it is characterized in that: described electric furnace short net is made up of three U-shaped water-cooled coppers, three U-shaped water-cooled copper arrangements triangular in shape, one end of described water-cooled copper is connected with water-cooled cable, and the other end of described water-cooled copper is connected with furnace transformer.
The present invention compared with prior art has the advantage that
1, present configuration is simple, novel in design reasonable, easy to operate.
2, the present invention is mainly by a furnace transformer, a set of electric furnace short net, two set water-cooled cables, two set contact tubes, first smelting furnace unit and the second smelting furnace unit composition, furnace transformer passes through a set of electric furnace short net, two set water-cooled cables and two overlap contact tubes and the first smelting furnace unit and the second smelting furnace unit is all connected with, namely drag the first smelting furnace unit by a furnace transformer and the second smelting furnace unit runs, the smelting of multi items electrocast refractories can be realized, when matallurgical products changed by needs, speed is quickly, can continuous operation, operate very simple, good economy performance, cost is low, it is greatly saved investment.
3, energy saving of the present invention is high, on the one hand, the electric energy of furnace transformer passes sequentially through electric furnace short net, water-cooled cable and contact tube to realize the transmission of electric energy, owing to water-cooled cable and contact tube are water-cooling structure, then allow the electric current density passed through big, the electric current passed through is relatively big, and all-in resistance is less, therefore can greatly reduce electric energy loss；On the other hand, electric furnace short net is made up of three U-shaped water-cooled coppers, and three U-shaped water-cooled coppers adopt triangular pitch, and such arrangement reactance and impedance are all relatively low, it is ensured that three-phase power balance, reduce further electric energy loss.
4, the present invention adopts electro-vibrating feeder to feed in raw material to feeding funnel, Automatic continuous can be realized feed in raw material, during use, the raw material that electro-vibrating feeder vibrates adds in bell hopper by feeding funnel, reinforced convenient, feeding funnel is rotatable under the effect of electric pushrod simultaneously, steps down to furnace shell and fascinating of tilting cradle, it is simple to turndown operates.
5, the transverse arm of the present invention and electrode can rotate, when such smelting furnace unit is smelted, transverse arm and the electrode of another smelting furnace unit are it is proposed that bell is outwarded winding, it is simple to the maintenance of another smelting furnace unit, now furnace shell, bell are not charged, can the replacing furnace shell of safe ready, bell.
6, the present invention is when turndown is cast, and electrode is inserted in furnace shell integrally topples over furnace shell, so can ensure that cast temperature is high, it is simple to casting；The simultaneously just converter nose that goes out to furnace shell of the terminal clamp on an electrode lifting device, during casting, liquation tapping temperature is high, and liquation cooling is slow, further increases casting effect.
In sum, present configuration is simple, novel in design reasonable, easy to operate, power consumption is low, energy saving is high, especially multi-use, changes furnace shell convenient, is suitable for the melting of multi items refractory material, and adopt this equipment to can guarantee that the smelting quality of electrocast refractories, reach the purpose that high-quality, high yield, low consumption and multi items refractory material produce.
Below by drawings and Examples, the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the A place enlarged drawing in Fig. 1.
Fig. 3 is the structural representation after Fig. 1 removes the second smelting furnace unit.
Fig. 4 is the B place enlarged drawing in Fig. 3.
Fig. 5 is the top view of Fig. 1.
Fig. 6 is the C place enlarged drawing in Fig. 5.
Fig. 7 is the structural representation of linkage of the present invention.
Fig. 8 is the top view of Fig. 7.
Description of reference numerals:
1 support；2 turndown oil cylinders；3 furnace shells；
3-1 goes out converter nose；4 bells；4-1 electrode-inserting holes；
5 electrode circle holdings；6 linkages；7 electrodes；
Arm-tie before 6-1；Arm-tie after 6-2；6-31 the first long connecting rod；
6-32 the second long connecting rod；6-41 front tension bar；6-42 back stay；
6-5 lever；6-6 short connecting rod；8 electro-vibrating feeders；
9 tooth bars；10 electrode holder locking oil cylinders；11 contact tubes；
12 reducing motors；13 electric pushrods；14 feeding funnels；
15 swivel mounts；16 bell hoppers；17 rotary oil cylinders；
18 locking cylinders；19 gears；20 connecting rods；
21 rollers；22 suspension brackets；23 balancing weights；
24 steel wire ropes；25 feed bins；26 cooling water tanks；
27 water-cooled cables；28 electric furnace short nets；29 furnace transformers；
30 tilting cradles；31 connecting plates；32 columns；
33 terminal clamps；34 transverse arms；35 showers；
36 axles；37 building foundations.
Detailed description of the invention
nullAs shown in Figures 1 to 6，The present invention includes the first smelting furnace unit、Second smelting furnace unit and electric furnace short net 28，And for dragging the first smelting furnace unit and the furnace transformer 29 of the second smelting furnace unit operation，The structure of described first smelting furnace unit and the second smelting furnace unit is identical and all includes body of heater tiling arrangement，Described body of heater tiling arrangement is provided with furnace shell 3，Described body of heater tiling arrangement is provided with for passing in and out the electrode lifting device of furnace shell 3 and the rotary apparatus for driving described electrode lifting device to rotate with moving electrode 7，Described electrode lifting device is arranged on described rotary apparatus，Described electrode lifting device is provided with contact tube 11，The front end of described contact tube 11 is connected to the terminal clamp 33 for clamping electrode 7，The rear end of described contact tube 11 is connected to water-cooled cable 27，The other end of described water-cooled cable 27 is connected with one end of electric furnace short net 28，The other end of described electric furnace short net 28 is connected with furnace transformer 29.
As shown in Fig. 1, Fig. 3 and Fig. 5, described body of heater tiling arrangement includes support 1 and tilting cradle 30, described tilting cradle 30 is arranged on the upper end of support 1, the front bottom end of described tilting cradle 30 and the upper end of support 1 are rotationally connected, the both sides of described support 1 are provided with the turndown oil cylinder 2 for being toppled over by tilting cradle 30, the base of described turndown oil cylinder 2 is fixed on support 1, the beam hanger end of described turndown oil cylinder 2 is hinged with tilting cradle 30, described furnace shell 3 is arranged on tilting cradle 30, described furnace shell 3 is provided with bell 4, described bell 4 has electrode-inserting holes 4-1.During use, turndown oil cylinder 2 action, drive tilting cradle 30 to rotate around the articulated position of tilting cradle 30 with support 1 so that furnace shell 3 dumps forward；Turndown oil cylinder 2 counteragent, it may be achieved furnace shell 3 return.
As shown in Figure 1, Figure 2, shown in Fig. 3 and Fig. 5, described rotary apparatus includes swivel mount 15 and is arranged on the bottom of swivel mount 15 and for rotary oil cylinder 17 that frame 15 rotate is rotated, described swivel mount 15 is arranged on the rear end of tilting cradle 30 by axle 36, described axle 36 is fixed on tilting cradle 30, described swivel mount 15 is rotationally connected with axle 36, described swivel mount 15 is positioned at the top of tilting cradle 30, one end of described rotary oil cylinder 17 and the bottom-hinged of tilting cradle 30, the other end of described rotary oil cylinder 17 and the bottom-hinged of swivel mount 15.During use, rotary oil cylinder 17 action, it is possible to make swivel mount 15 rotate around axle 36 on tilting cradle 30, swivel mount 15 rotarily drives electrode lifting device and rotates so that electrode lifting device is positioned at top or the whiz furnace shell 3 of furnace shell 3.Being provided with the locking cylinder 18 that beam hanger can extend in swivel mount 15 and locked by swivel mount 15 on described tilting cradle 30, when so smelting, the beam hanger of locking cylinder 18 stretches out locked for swivel mount 15, it is ensured that in a safe condition when smelting or turndown.
Such as Fig. 1, shown in Fig. 2 and Fig. 5, described electrode lifting device includes column 32, transverse arm 34, reducing motor 12 and tooth bar 9, described transverse arm 34 is arranged on column 32, described transverse arm 34 is provided with roller 21 and roller 21 can along column 32 scroll-up/down, described transverse arm 34 is positioned at the top of furnace shell 3, described tooth bar 9 is fixed on bottom the rear end of transverse arm 34 by connecting rod 20, described tooth bar 9 is vertically arranged, described column 32 is vertically fixed on swivel mount 15, described reducing motor 12 is arranged on swivel mount 15, the output shaft of described reducing motor 12 is installed with gear 19, described gear 19 engages drive transverse arm 34 and moves up and down with tooth bar 9, described transverse arm 34 is provided with the electrode hold-fast body for holding or unclamp electrode 7 tightly.During use, reducing motor 12 drives roller 21 to rotate, and roller 21 engages with tooth bar 9, drives transverse arm 34 to do oscilaltion campaign along column 32, and then realizes the elevating movement of electrode 7.
As shown in Figure 1, Figure 2, shown in Fig. 5 and Fig. 6, described electrode hold-fast body includes electrode holder locking oil cylinder 10 and electrode circle holding 5, described electrode holder locking oil cylinder 10 is arranged on the rear end of transverse arm 34, described electrode circle holding 5 is arranged on the front end of transverse arm 34, and described electrode holder locking oil cylinder 10 is connected to be pressed on terminal clamp 33 electrode 7 with electrode circle holding 5 by linkage 6.During use, electrode holder locking oil cylinder 10 action, strain electrode circle holding 5 by linkage 6, electrode 7 is pressed on terminal clamp 33.nullAs shown in Figure 7 and Figure 8，Linkage 6 includes front arm-tie 6-1、Rear arm-tie 6-2、Pull bar and lever 6-5，The first long connecting rod 6-31 it is hinged with between one end of front arm-tie 6-1 and rear arm-tie 6-2，The second long connecting rod 6-32 it is hinged with between the other end of front arm-tie 6-1 and rear arm-tie 6-2，Pull bar is made up of the front tension bar 6-41 and back stay 6-42 fixing connection，The rear end of back stay 6-42 is fixing with the middle part of front arm-tie 6-1 to be connected，The upper end thereof of the front end of front tension bar 6-41 and lever 6-5，The bottom of lever 6-5 is provided with the short connecting rod 6-6 that one end is hinged with it，The other end of short connecting rod 6-6 is hinged with electrode circle holding 5，The lower end of lever 6-5 is hinged with transverse arm 34，The middle part of rear arm-tie 6-2 is hinged with the beam hanger end of electrode holder locking oil cylinder 10.During specific works, electrode holder locking oil cylinder 10 action, rear arm-tie 6-2 is pulled to be moved rearwards by, rear arm-tie 6-2 drives long connecting rod (the first long connecting rod 6-31 and the second long connecting rod 6-32), pull bar, lever 6-5 and short connecting rod 6-6 to be moved rearwards by successively, short connecting rod 6-6 pulls electrode circle holding 5 so that electrode 7 is pressed on terminal clamp 33.
As depicted in figs. 1 and 2, described column 32 is provided with the suspention balance weight mechanism for suspending transverse arm 34 in midair, described suspention balance weight mechanism includes suspension bracket 22, balancing weight 23 and steel wire rope 24, described suspension bracket 22 is fixed on the upper end of column 32, described balancing weight 23 is positioned at column 32, one end of described steel wire rope 24 is connected with balancing weight 23, and the other end of described steel wire rope 24 is connected with transverse arm 34.By increasing suspention balance weight mechanism, can stable for transverse arm 34 be suspended on column 32, to guarantee smelting process safety.
As it is shown in figure 5, be provided with three electrode lifting devices on described rotary apparatus, furnace shell 3 is just being gone out converter nose 3-1 by the terminal clamp 33 on one of them electrode lifting device, and so during casting, liquation tapping temperature is high, and liquation cooling is slow, it is simple to casting.
As shown in Figures 1 to 6, described furnace shell 3 be provided above feeding device, described feeding device includes feed bin 25 and feeding funnel 14, described feeding funnel 14 is positioned at the lower section of feed bin 25, described feed bin 25 is fixedly mounted on building foundation 37, described feeding funnel 14 is rotatably installed on building foundation 37, the bottom of described feed bin 25 is provided with electro-vibrating feeder 8, described electro-vibrating feeder 8 passes through wire rope suspensioning on feed bin 25, described feeding funnel 14 is positioned at below the discharging opening of electro-vibrating feeder 8, described feeding funnel 14 is arranged on the top of bell hopper 16, described bell hopper 16 is arranged on bell 4；Described building foundation 37 is provided with the rotating mechanism for driving feeding funnel 14 to rotate, described rotating mechanism includes connecting plate 31 and electric pushrod 13, described connecting plate 31 is fixed on feeding funnel 14, described connecting plate 31 is hinged with one end of electric pushrod 13, and the other end of described electric pushrod 13 is hinged with building foundation 37.During use, the raw material that electro-vibrating feeder 8 vibrates adds in bell hopper 16 by feeding funnel 14, then flows in furnace shell 3.Electric pushrod 13 action, can make to rotate in the feeding funnel 14 deck hole on building foundation 37, during turndown operation, and electric pushrod 13 action, make feeding funnel 14 outward winding bell hopper 16, step down to furnace shell 3 and fascinating of tilting cradle 30.
As shown in figures 1 and 3, the port of described furnace shell 3 is installed below the shower 35 for its outer surface is sprayed, hinge structure adopts intermediate water black furnace body mode, good cooling results, and the phenomenon that can produce gases at high pressure when overcoming because of interlayer hydropenia and explode.Cooling water needed for shower 35 is to be supplied by cooling water tank 26, cooling water tank 26 is arranged on foundation ground and near the first smelting furnace unit and the second smelting furnace unit place, the cooling cooling water supply of bell 4, contact tube 11, water-cooled cable 27, electric furnace short net 28 and terminal clamp 33 returned by cooling water tank 26.
As shown in Figure 5, described electric furnace short net 28 is made up of three U-shaped water-cooled coppers, three U-shaped water-cooled copper arrangements triangular in shape, one end of described water-cooled copper is connected with water-cooled cable 27, the other end of described water-cooled copper is connected with furnace transformer 29, U-shaped water-cooled copper so arrange reactance and impedance all relatively low, it is ensured that three-phase power balance, reduce further electric energy loss.
The operation principle of the present invention is: in two furnace shells of the first smelting furnace unit and the second smelting furnace unit, if smelted in a furnace shell, another furnace shell is then in off position.The swivel mount 15 of one furnace unit rotates so that three electrodes of this furnace unit insert the interior smelting of furnace shell 3 of this furnace unit.Three transverse arms of an other smelting furnace unit rise under the effect of reducing motor 12, gear 19 and tooth bar 9, make electrode 7 leave bell 4；Rotary oil cylinder 17 rotates, and drives 32, three transverse arms 34 of three columns and three electrodes 7 to rotate, to leave three electrode-inserting holes 4-1 on bell 4, though at this moment these three electrodes 7 are charged, but have left the raw material face in furnace shell 3, the therefore not starting the arc, do not work.
When one smelting furnace unit is smelted, electrode holder locking oil cylinder 10 strains electrode circle holding 5 by linkage 6, is pressed on terminal clamp 33 by electrode 7.Furnace transformer 29 passes sequentially through electric furnace short net 28, water-cooled cable 27, contact tube 11 and terminal clamp 33 and transmits electrical power to three electrodes 7, electrode 7 inserts in furnace shell 3 through three electrode-inserting holes 4-1 on bell 4, produce arc discharge during close to raw material face, carry out melting by electric arc heated melt raw material.In smelting process, with current fluctuation, under the effect of reducing motor 12, gear 19 and tooth bar 9, transverse arm 34 band moving electrode 7 is upper and lower fine motion on column 32.After smelting process terminates, electric pushrod 13 action, drive feeding funnel 14 whiz bell hopper 16, to step down to tilting cradle 30 turndown.After feeding funnel 14 is outwarded winding, turndown oil cylinder 2 action, by articulated position rotary dumping along tilting cradle 30 with support 1 of tilting cradle 30, swivel mount 15, electrode lifting device, furnace shell 3 and bell 4 entirety, allow in furnace shell 3 the refractory material molten mass after melting flow out.After having flowed, turndown oil cylinder 2 action, tilting cradle 30, swivel mount 15, electrode lifting device, furnace shell 3 and bell 4 entirety set back, and complete the smelting process of a stove.When needing to change smelting kind, the transverse arm of a smelting furnace unit is mentioned, and electrode proposes bell and outwards winding, and the electrode of another smelting furnace unit inserts alternation in another furnace shell.
The above; it it is only presently preferred embodiments of the present invention; not the present invention is imposed any restrictions, every any simple modification, change and equivalent structure transformation above example made according to the technology of the present invention essence, all still fall within the protection domain of technical solution of the present invention.
Claims (8)
- null1. an energy-saving multi items one drag two electrocast refractories smelting furnace，It is characterized in that: include the first smelting furnace unit、Second smelting furnace unit and electric furnace short net (28)，And for dragging the first smelting furnace unit and the furnace transformer (29) of the second smelting furnace unit operation，The structure of described first smelting furnace unit and the second smelting furnace unit is identical and all includes body of heater tiling arrangement，Described body of heater tiling arrangement is provided with furnace shell (3)，Described body of heater tiling arrangement is provided with for passing in and out the electrode lifting device of furnace shell (3) and the rotary apparatus for driving described electrode lifting device to rotate with moving electrode (7)，Described electrode lifting device is arranged on described rotary apparatus，Described electrode lifting device is provided with contact tube (11)，The front end of described contact tube (11) is connected to the terminal clamp (33) for clamping electrode (7)，The rear end of described contact tube (11) is connected to water-cooled cable (27)，The other end of described water-cooled cable (27) is connected with one end of electric furnace short net (28)，The other end of described electric furnace short net (28) is connected with furnace transformer (29)；Described body of heater tiling arrangement includes support (1) and tilting cradle (30), described tilting cradle (30) is arranged on the upper end of support (1), the upper end of the front bottom end of described tilting cradle (30) and support (1) is rotationally connected, the both sides of described support (1) are provided with the turndown oil cylinder (2) for being toppled over by tilting cradle (30), the base of described turndown oil cylinder (2) is fixed on support (1), the beam hanger end of described turndown oil cylinder (2) is hinged with tilting cradle (30), described furnace shell (3) is arranged on tilting cradle (30), described furnace shell (3) is provided with bell (4), described bell (4) has electrode-inserting holes (4-1)；The port of described furnace shell (3) is installed below the shower (35) for its outer surface is sprayed.
- null2. the energy-saving multi items one drag two electrocast refractories smelting furnace described in claim 1，It is characterized in that: described rotary apparatus includes swivel mount (15) and is arranged on the bottom of swivel mount (15) and is used for rotary oil cylinder (17) that frame (15) rotate is rotated，Described swivel mount (15) is arranged on the rear end of tilting cradle (30) by axle (36)，Described axle (36) is fixed on tilting cradle (30)，Described swivel mount (15) and axle (36) are rotationally connected，Described swivel mount (15) is positioned at the top of tilting cradle (30)，The bottom-hinged of one end of described rotary oil cylinder (17) and tilting cradle (30)，The bottom-hinged of the other end of described rotary oil cylinder (17) and swivel mount (15)，Described tilting cradle (30) is provided with the locking cylinder (18) that beam hanger can extend in swivel mount (15) and locked by swivel mount (15).
- null3. the energy-saving multi items one drag two electrocast refractories smelting furnace described in claim 2，It is characterized in that: described electrode lifting device includes column (32)、Transverse arm (34)、Reducing motor (12) and tooth bar (9)，Described transverse arm (34) is arranged on column (32)，Described transverse arm (34) is provided with roller (21) and roller (21) can along column (32) scroll-up/down，Described transverse arm (34) is positioned at the top of furnace shell (3)，Described tooth bar (9) is fixed on bottom the rear end of transverse arm (34) by connecting rod (20)，Described tooth bar (9) is vertically arranged，Described column (32) is vertically fixed on swivel mount (15)，Described reducing motor (12) is arranged on swivel mount (15)，The output shaft of described reducing motor (12) is installed with gear (19)，Described gear (19) engages drive transverse arm (34) and moves up and down with tooth bar (9)，Described transverse arm (34) is provided with the electrode hold-fast body for holding or unclamp electrode (7) tightly.
- 4. the energy-saving multi items one drag two electrocast refractories smelting furnace described in claim 3, it is characterized in that: described electrode hold-fast body includes electrode holder locking oil cylinder (10) and electrode circle holding (5), described electrode holder locking oil cylinder (10) is arranged on the rear end of transverse arm (34), described electrode circle holding (5) is arranged on the front end of transverse arm (34), and described electrode holder locking oil cylinder (10) is connected to be pressed on terminal clamp (33) electrode (7) with electrode circle holding (5) by linkage (6).
- 5. the energy-saving multi items one drag two electrocast refractories smelting furnace described in claim 3, it is characterized in that: described column (32) is provided with the suspention balance weight mechanism for suspending transverse arm (34) in midair, described suspention balance weight mechanism includes suspension bracket (22), balancing weight (23) and steel wire rope (24), described suspension bracket (22) is fixed on the upper end of column (32), described balancing weight (23) is positioned at column (32), one end of described steel wire rope (24) is connected with balancing weight (23), the other end of described steel wire rope (24) is connected with transverse arm (34).
- 6. the energy-saving multi items one drag two electrocast refractories smelting furnace described in claim 1, it is characterized in that: be provided with three electrode lifting devices on described rotary apparatus, furnace shell (3) is just being gone out converter nose (3-1) by the terminal clamp (33) on one of them electrode lifting device.
- null7. the energy-saving multi items one drag two electrocast refractories smelting furnace described in claim 1，It is characterized in that: described furnace shell (3) be provided above feeding device，Described feeding device includes feed bin (25) and feeding funnel (14)，Described feeding funnel (14) is positioned at the lower section of feed bin (25)，Described feed bin (25) is fixedly mounted on building foundation (37)，Described feeding funnel (14) is rotatably installed on building foundation (37)，The bottom of described feed bin (25) is provided with electro-vibrating feeder (8)，Described electro-vibrating feeder (8) by wire rope suspensioning on feed bin (25)，Described feeding funnel (14) is positioned at below the discharging opening of electro-vibrating feeder (8)，Described feeding funnel (14) is arranged on the top of bell hopper (16)，Described bell hopper (16) is arranged on bell (4)；Described building foundation (37) is provided with the rotating mechanism for driving feeding funnel (14) to rotate, described rotating mechanism includes connecting plate (31) and electric pushrod (13), described connecting plate (31) is fixed on feeding funnel (14), described connecting plate (31) is hinged with one end of electric pushrod (13), and the other end of described electric pushrod (13) is hinged with building foundation (37).
- 8. the energy-saving multi items one drag two electrocast refractories smelting furnace described in claim 1, it is characterized in that: described electric furnace short net (28) is made up of three U-shaped water-cooled coppers, three U-shaped water-cooled copper arrangements triangular in shape, one end of described water-cooled copper is connected with water-cooled cable (27), and the other end of described water-cooled copper is connected with furnace transformer (29).
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110951937B (en) * | 2018-09-27 | 2021-10-22 | 宝山钢铁股份有限公司 | Method for efficiently smelting low-nitrogen steel by adopting electric furnace |
| CN109405546B (en) * | 2018-12-18 | 2023-12-19 | 沈阳真空技术研究所有限公司 | Pneumatic feeding mechanism with variable clamping range and bottoming protection |
| CN112797787B (en) * | 2020-12-30 | 2021-11-23 | 江苏三环奥纳科技有限公司 | Nanocrystalline magnetically soft alloy smelting system |
| CN112815697B (en) * | 2020-12-31 | 2022-10-18 | 西安新达炉业工程有限责任公司 | Refractory material smelting furnace |
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