CN202116584U - Low frequency (LF) ladle refining furnace with shared transformer double-parallel-connection and double-refining-station running simultaneously - Google Patents
Low frequency (LF) ladle refining furnace with shared transformer double-parallel-connection and double-refining-station running simultaneously Download PDFInfo
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- CN202116584U CN202116584U CN2011202065587U CN201120206558U CN202116584U CN 202116584 U CN202116584 U CN 202116584U CN 2011202065587 U CN2011202065587 U CN 2011202065587U CN 201120206558 U CN201120206558 U CN 201120206558U CN 202116584 U CN202116584 U CN 202116584U
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Abstract
The utility model discloses a low frequency (LF) ladle refining furnace with shared transformer double-parallel-connection and double-refining-station running simultaneously, which comprises a high voltage control cabinet, a transformer, a first steel ladle refining device, a second steel ladle refining device, a first low voltage electronic control system and a second low voltage electronic control system, wherein the transformer is connected with the high voltage control cabinet, and both the first steel ladle refining device and the second steel ladle refining device are connected with the transformer. The first steel ladle refining device is connected with the transformer through a first electrode lifting system and a first short network system connected with the first electrode lifting system. The second steel ladle refining device is connected with the transformer through a second electrode lifting system and a second short network system connected with the second electrode lifting system. The first electrode lifting system and the second electrode lifting system are respectively connected with a first hydraulic system and a second hydraulic system. The first short network system and the second short network system are connected at the output end of the transformer in parallel. The LF ladle refining furnace is novel and reasonable in design, convenient to use and operate, high in labor production efficiency, energy-saving and consumption-reducing. In addition, the LF ladle refining furnace not only saves investment cost for enterprises, but also saves production cost for the enterprises, thereby facilitating popularization and use.
Description
Technical field
The utility model belongs to metallurgical technology field, relates to a kind of LF ladle refining furnace, especially relates to the LF ladle refining furnace that the two refining stations of a kind of common transformer two-in-parallel move simultaneously.
Background technology
In recent years, along with the continuous development of economic construction and national defense industry, the requirement of rolling shapes and quality, the raising of STEELMAKING PRODUCTION rate and the control of cost, and the widespread use of continuous casting technology have promoted the especially fast development of ladle refining of external refining.Existing big section steel works, by the operational path that converter, ladle refining and continuous casting are formed, short because of flow process, output is big, quality level improves rapidly relatively and developed.It is long that but the ubiquity converter of existing numerous steel mills, continuous casting time lack, the LF ladle refining adds non-cutting time; Continuous casting can not connect needs maybe to wait for that middle-chain disconnects, and refining is abandoned and need not be waited phenomenon; Common steel grade can only be smelted, the special steel or the excellent steel of high added value can't be smelted.Existing traditional general steel technology is: just refine converter steelmaking and need more than 20 minute, refining furnace is smelted needs 30 to 40 minutes even five or six ten minutes, and the multimachine continuous casting time is about 20 minutes; An existing converter; A refining furnace, the operational path that continuous caster is formed, a refining furnace can't guarantee the production direct motion and the unobstructed efficient operation of continuous casting therein; A refining furnace cost is high, power consumption is big, manual work is many, management link is many, the waiting time is long and increase, and a lot of enterprises are felt simply helpless.
The utility model content
The utility model technical problem to be solved is to above-mentioned deficiency of the prior art, a kind of common transformer two-in-parallel LF ladle refining furnace that two refining stations move simultaneously is provided, its novel and reasonable design; Use simple operation, improved labour productivity, energy-saving and cost-reducing; Both practiced thrift input cost for enterprise; For enterprise has practiced thrift production cost, result of use is good again, is convenient to promote the use of.
For solving the problems of the technologies described above; The technical scheme that the utility model adopts is: the LF ladle refining furnace that the two refining stations of a kind of common transformer two-in-parallel move simultaneously is characterized in that: comprise a high pressure control cabinet being connected with user's high-voltage fence, and the high pressure control cabinet join and be used for low-pressure electric controlled system one and low-pressure electric controlled system two that user's high-voltage fence voltage is reduced to an X-former of WV, the ladle refining device one and the ladle refining device two that all join with said X-former and is used for the work of LF ladle refining furnace is controlled; Said ladle refining device one joins with X-former through rise fall of electrodes system one with the short net system one that rise fall of electrodes system one joins; Said ladle refining device two joins with X-former through rise fall of electrodes system two with the short net system two that rise fall of electrodes system two joins; Said rise fall of electrodes system one and rise fall of electrodes system two join with hydraulic pressure system unification and hydraulicefficiency system two respectively, and said short net system one and weak point net system two are connected in parallel on the output terminal of X-former; Said high pressure control cabinet, X-former, short net system one, ladle refining device one and hydraulic pressure system is unified all joins with low-pressure electric controlled system one, are lacked net system two, hydraulicefficiency system two and low-pressure electric controlled system one and are all joined with low-pressure electric controlled system two at said ladle refining device two.
The LF ladle refining furnace that the two refining stations of above-mentioned common transformer two-in-parallel move simultaneously; It is characterized in that: said short net system one comprises that the output terminal with X-former joins go out the short net of wall one, with conductive cross arm one that goes out water-cooled cable one that the short net one of wall joins, joins with water-cooled cable one and the electrode one that joins with conductive cross arm one, saidly go out the short net one of wall and be provided with current transformer one; Said conductive cross arm one joins with rise fall of electrodes system one, saidly goes out the short net of wall one summation current transformer one and all joins with low-pressure electric controlled system one.
The LF ladle refining furnace that the two refining stations of above-mentioned common transformer two-in-parallel move simultaneously is characterized in that: saidly go out the six roots of sensation water-cooled copper that the short net one of wall joins by the output terminal with X-former and constitute.
The LF ladle refining furnace that the two refining stations of above-mentioned common transformer two-in-parallel move simultaneously; It is characterized in that: said short net system two comprise with go out that the short net one of wall joins hang short net, with hang that short net joins go out the short net of wall two, with conductive cross arm two that goes out water-cooled cable two that the short net two of wall joins, joins with water-cooled cable two and the electrode two that joins with conductive cross arm two, saidly hang the short current transformer two that is provided with on the net; Said conductive cross arm two joins with rise fall of electrodes system two, saidly goes out the short net of wall two summation current transformers two and all joins with low-pressure electric controlled system two.
The LF ladle refining furnace that the two refining stations of above-mentioned common transformer two-in-parallel move simultaneously; It is characterized in that: said hang short net by with go out the short net one of wall six roots of sensation water-cooled copper that joins and a plurality of the hanging that is connected on the six roots of sensation water-cooled copper and constitute, said go out the short net two of wall by with hang the six roots of sensation water-cooled copper that short net joins and constitute.
The LF ladle refining furnace that the two refining stations of above-mentioned common transformer two-in-parallel move simultaneously; It is characterized in that: said low-pressure electric controlled system one comprises IPC one, the PLC programmable logic controller one that joins with IPC one and the PLC programmable logic controller two that joins with PLC programmable logic controller one; Said PLC programmable logic controller one joins with HYDRAULIC CONTROL SYSTEM module one, high pressure on/off switch control module one, high-pressure system control module one, X-former control module one and the spacing module one of ladle refining device; Said PLC programmable logic controller two joins with X-former gear control module one, water-cooling system control module one, smelting Intelligent Fuzzy Control module one and ladle walking control module one; Said X-former control module one is all joined with X-former with X-former gear control module one; Said HYDRAULIC CONTROL SYSTEM module one is joined with the hydraulic pressure system unification, and said high pressure on/off switch control module one is all joined with the high pressure control cabinet with high-pressure system control module one.
The LF ladle refining furnace that the two refining stations of above-mentioned common transformer two-in-parallel move simultaneously; It is characterized in that: said low-pressure electric controlled system two comprises IPC two, the PLC programmable logic controller three that joins with IPC two and the PLC programmable logic controller four that joins with PLC programmable logic controller two and PLC programmable logic controller three; Said PLC programmable logic controller three joins with X-former gear control module two, water-cooling system control module two, smelting Intelligent Fuzzy Control module two and ladle walking control module two; Said PLC programmable logic controller four joins with HYDRAULIC CONTROL SYSTEM module two, high pressure on/off switch control module two, high-pressure system control module two, X-former control module two and the spacing module two of ladle refining device, and said HYDRAULIC CONTROL SYSTEM module two is joined with hydraulicefficiency system two.
The utility model compared with prior art has the following advantages:
1, two shared X-formers of ladle refining device, a high pressure control cabinet in the utility model; Through to and the design that is connected in two short net systems of X-former output terminal realized being connected of X-former and two rise fall of electrodes systems; Through designing two low voltage control system that are respectively applied for the work of two ladle refining devices of control; Realized the automatic control of this LF ladle refining furnace work, novel and reasonable design is used simple operation.
2, the motor-driven buffer device between first furnace of the utility model conduct and continuous caster is flexible, can realize that a ladle refining device is smelted, another insulation of ladle refining device and two functions that the ladle refining device is smelted simultaneously; Practice thrift non-cutting time, improved labour productivity, energy-saving and cost-reducing; Need not wait for each other; Make just the tacit agreement more that cooperates between furnace and continuous caster, both solved the trouble and worry of first furnace, solved the matter of great urgency of continuous caster again; Undertaken the important task of steel grade conversion, realized that sequence casting and target play an important role on producing.
3, in the utility model the saving of X-former and high pressure tank both for enterprise has practiced thrift input cost, again for enterprise has practiced thrift production cost, more a ladle refining device of the worried original production line of some enterprises refining time not enough, can't solution be provided continuous casting; A new last ladle refining device, original X-former capable of using, high pressure tank, the electric load amount is without increase-volume; Energy-saving and cost-reducing; Less investment helps to improve rhythm of production, accelerates the middle coupling of converter and continuous casting.
4, the utility model active response the call of national energy-saving and emission-reduction policy, result of use is good, is convenient to promote the use of.
In sum, the utility model novel and reasonable design is used simple operation; Improved labour productivity, energy-saving and cost-reducing, both practiced thrift input cost for enterprise; Again for enterprise has practiced thrift production cost, solved that a refining furnace can't guarantee the production direct motion and the unobstructed efficient operation of continuous casting in the prior art, and increased defective and deficiencies such as a refining furnace cost is high, power consumption is big, manual work is many, management link is many, the waiting time is long; Result of use is good, is convenient to promote the use of.
Through accompanying drawing and embodiment, the technical scheme of the utility model is done further detailed description below.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Fig. 2 is the circuit block diagram of low-pressure electric controlled system one of the utility model and low-pressure electric controlled system two.
Description of reference numerals:
1-high pressure control cabinet; The 2-X-former; 3-1-goes out the short net one of wall;
3-2-water-cooled cable one; 3-3-conductive cross arm one; 3-4-electrode one;
3-5-current transformer one; 4-rise fall of electrodes system one; 5-ladle refining device one;
6-ladle refining device two; 7-1-hangs short net; 7-2-goes out the short net two of wall;
7-3-water-cooled cable two; 7-4-conductive cross arm two; 7-5-electrode two;
7-6-current transformer two; 8-rise fall of electrodes system two; The 9-hydraulic pressure system is unified;
10-hydraulicefficiency system two; The low-pressure electric controlled system one of 11-; 11-1-IPC one;
11-2-PLC FPGA 11-3-PLC FPGA 11-4-HYDRAULIC CONTROL SYSTEM mould
Unit one; Unit two; Piece one;
11-5-high pressure on/off switch control 11-6-high-pressure system control mould 11-7-X-former control module
Module one; Piece one; One;
The control of 11-8-ladle refining device limit 11-9-X-former gear control 11-10-water-cooling system
Position module one; Module one; Module one;
11-11-smelts the low-pressure electric controlled system two of intelligent fuzzy 11-12-ladle walking control 12-;
Control module one; Module one;
12-1-IPC two; 12-2-PLC FPGA 12-3-PLC FPGA
Unit three; Unit four;
12-4-X-former gear control 12-5-water-cooling system control mould 12-6-smelts the intelligent fuzzy control
Module two; Piece two; Control module two;
The control of 12-7-ladle walking control mould 12-8-HYDRAULIC CONTROL SYSTEM mould 12-9-high pressure on/off switch
Piece two; Piece two; Module two;
12-10-high-pressure system control 12-11-X-former control mould 12-12-ladle refining device
Module two; Piece two; Spacing module two;
13-hangs.
Embodiment
As shown in Figure 1, the utility model comprises a high pressure control cabinet 1 being connected with user's high-voltage fence, joins with high pressure control cabinet 1 and is used for low-pressure electric controlled system 1 and low-pressure electric controlled system 2 12 that user's high-voltage fence voltage is reduced to an X-former 2 of WV, the ladle refining device 1 and the ladle refining device 26 that all join with said X-former 2 and is used for the work of LF ladle refining furnace is controlled; Said ladle refining device 1 joins with X-former 2 through rise fall of electrodes system 1 with the short net system one that rise fall of electrodes system 1 joins; Said ladle refining device 26 joins with X-former 2 through rise fall of electrodes system 28 with the short net system two that rise fall of electrodes system 28 joins; Said rise fall of electrodes system 1 and rise fall of electrodes system 28 join with hydraulic pressure system unified 9 and hydraulicefficiency system 2 10 respectively, and said short net system one and weak point net system two are connected in parallel on the output terminal of X-former 2; Said high pressure control cabinet 1, X-former 2, short net system one, ladle refining device 1 and hydraulic pressure system unified 9 all join with low-pressure electric controlled system 1, said ladle refining device 26, lack net system two, hydraulicefficiency system 2 10 and low-pressure electric controlled system 1 and all join with low-pressure electric controlled system 2 12.
As shown in Figure 1; In the present embodiment; Said short net system one comprises that the output terminal with X-former 2 joins go out the short net of wall one 3-1, with conductive cross arm one 3-3 that goes out water-cooled cable one 3-2 that the short net of wall one 3-1 joins, joins with water-cooled cable one 3-2 and electrode one 3-4 that joins with conductive cross arm one 3-3, saidly go out the short net of wall one 3-1 and be provided with current transformer one 3-5; Said conductive cross arm one 3-3 and rise fall of electrodes system 1 join, and saidly go out the short net of wall one 3-1 summation current transformer one 3-5 and all join with low-pressure electric controlled system 1.Particularly, saidly go out the short net of wall one 3-1 and constitute by the six roots of sensation water-cooled copper that the output terminal with X-former 2 joins.
As shown in Figure 1; In the present embodiment; Said short net system two comprise with go out that the short net of wall one 3-1 joins hang short net 7-1, with hang that short net 7-1 joins go out the short net of wall two 7-2, with conductive cross arm two 7-4 that go out water-cooled cable two 7-3 that the short net of wall two 7-2 join, join with water-cooled cable two 7-3 and electrode two 7-5 that join with conductive cross arm two 7-4, saidly hang short net 7-1 and be provided with current transformer two 7-6; Said conductive cross arm two 7-4 and rise fall of electrodes system 28 join, and saidly go out the short net of wall two 7-2 summation current transformers two 7-6 and all join with low-pressure electric controlled system 2 12.Particularly, said hang short net 7-1 by with go out six roots of sensation water-cooled copper that the short net of wall one 3-1 joins and be connected a plurality of on the six roots of sensation water-cooled copper and hang 13 and constitute, said go out the short net of wall two 7-2 by with hang the six roots of sensation water-cooled copper that short net 7-1 joins and constitute.
As shown in Figure 2; In the present embodiment; Said low-pressure electric controlled system 1 comprises IPC one 11-1, PLC programmable logic controller one 11-2 that joins with IPC one 11-1 and PLC programmable logic controller two 11-3 that join with PLC programmable logic controller one 11-2; Said PLC programmable logic controller one 11-2 and HYDRAULIC CONTROL SYSTEM module one 11-4, high pressure on/off switch control module one 11-5, high-pressure system control module one 11-6, X-former control module one 11-7 and spacing module one 11-8 of ladle refining device join; Said PLC programmable logic controller two 11-3 and X-former gear control module one 11-9, water-cooling system control module one 11-10, smelting Intelligent Fuzzy Control module one 11-11 and ladle walking control module one 11-12 join; Said X-former control module one 11-7 and X-former gear control module one 11-9 all join with X-former 2; Said HYDRAULIC CONTROL SYSTEM module one 11-4 and hydraulic pressure system unified 9 joins, and said high pressure on/off switch control module one 11-5 and high-pressure system control module one 11-6 all join with high pressure control cabinet 1.Said low-pressure electric controlled system 2 12 comprises IPC two 12-1, PLC programmable logic controller three 12-2 that join with IPC two 12-1 and PLC programmable logic controller four 12-3 that join with PLC programmable logic controller two 11-3 and PLC programmable logic controller three 12-2; Said PLC programmable logic controller three 12-2 and X-former gear control module two 12-4, water-cooling system control module two 12-5, smelting Intelligent Fuzzy Control module two 12-6 and ladle walking control module two 12-7 join; Said PLC programmable logic controller four 12-3 and HYDRAULIC CONTROL SYSTEM module two 12-8, high pressure on/off switch control module two 12-9, high-pressure system control module two 12-10, X-former control module two 12-11 and spacing module two 12-12 of ladle refining device join, and said HYDRAULIC CONTROL SYSTEM module two 12-8 and hydraulicefficiency system 2 10 are joined.
The principle of work and the working process of the utility model are:
(1) ladle refining device 1 is implemented to smelt: through operating low-pressure electric controlled system 1 and high pressure control cabinet 1; The high voltage electric of 35KV on user's high-voltage fence is sent to X-former 2 through high pressure control cabinet 1 and high-tension cable; Through X-former 2 user's high-voltage fence voltage is reduced to WV; System one sends electric energy to ladle refining device 1 through the weak point net, and ladle refining device 1 comes into effect smelting.During smelting, low-pressure electric controlled system 1 realizes the control of counter electrode jacking system 1 through controlling hydraulic pressure system unified 9, realizes the up-down of three-phase electrode one 3-4, accomplishes liquid steel refining, and reaches automatic metallurgical effect.In this process, PLC programmable logic controller one 11-2 in the low-pressure electric controlled system 1 and PLC programmable logic controller two 11-3 play control and smelt, and IPC one 11-1 realizes the supervisory function bit in the smelting process.
(2) ladle refining device 26 is implemented to smelt: through operating low-pressure electric controlled system 2 12 and high pressure control cabinet 1; The high voltage electric of 35KV on user's high-voltage fence is sent to X-former 2 through high pressure control cabinet 1 and high-tension cable; Through X-former 2 user's high-voltage fence voltage is reduced to WV; System two sends electric energy to ladle refining device 26 through the weak point net, and ladle refining device 26 comes into effect smelting.During smelting, low-pressure electric controlled system 2 12 realizes the up-down of three-phase electrode two 7-5 in the ladle refining device 26 through controlling the control that hydraulicefficiency system 2 10 realizes counter electrode jacking system 28, accomplishes liquid steel refining, and reaches automatic metallurgical effect.In this process, PLC programmable logic controller three 12-2 in the low-pressure electric controlled system 2 12 and PLC programmable logic controller four 12-3 play control and smelt, and IPC two 12-1 realize the supervisory function bit in the smelting process.
(3) ladle refining device 1 is implemented smelting simultaneously with ladle refining device 26: through operating low-pressure electric controlled system 1, low-pressure electric controlled system 21 and high pressure control cabinet 1; The high voltage electric of 35KV on user's high-voltage fence is sent to X-former 2 through high pressure control cabinet 1 and high-tension cable; Through X-former 2 user's high-voltage fence voltage is reduced to WV; And sending electric energy to ladle refining device 1 and ladle refining device 26 respectively through short net system one and weak point net system two simultaneously, ladle refining device 1 comes into effect smelting simultaneously with ladle refining device 26.During smelting, low-pressure electric controlled system 2 12 realizes the up-down of three-phase electrode one 3-4 through controlling the control that hydraulicefficiency system 2 10 realizes counter electrode jacking system 28, accomplishes liquid steel refining, and reaches automatic metallurgical effect; Low-pressure electric controlled system 2 12 realizes the up-down of three-phase electrode two 7-5 through controlling the control that hydraulicefficiency system 2 10 realizes counter electrode jacking system 28, accomplishes liquid steel refining, and reaches automatic metallurgical effect.In this process; PLC programmable logic controller one 11-2 in the low-pressure electric controlled system 1 and PLC programmable logic controller three 12-2 in PLC programmable logic controller two 11-3 and the low-pressure electric controlled system 2 12 and PLC programmable logic controller four 12-3 play automatic control and distribute electric current to smelt automatically, and IPC one 11-1 in the low-pressure electric controlled system 1 and IPC two 12-1 in the low-pressure electric controlled system 2 12 realize the supervisory function bit in the smelting process.
In sum; Two shared X-formers of ladle refining device, a high pressure control cabinet in the utility model; Can realize that a ladle refining device is smelted, another insulation of ladle refining device and two functions that the ladle refining device is smelted simultaneously, improve labour productivity, energy-saving and cost-reducing; Both, practiced thrift production cost for enterprise again for enterprise has practiced thrift input cost.
The above; It only is the preferred embodiment of the utility model; Be not that the utility model is done any restriction; Everyly any simple modification that above embodiment did, change and equivalent structure are changed, all still belong in the protection domain of the utility model technical scheme according to the utility model technical spirit.
Claims (7)
1. the LF ladle refining furnace that moves simultaneously of the two refining stations of a common transformer two-in-parallel is characterized in that: comprise the high pressure control cabinet (1) that is connected with user's high-voltage fence, and high pressure control cabinet (1) join and be used for low-pressure electric controlled system one (11) and low-pressure electric controlled system two (12) that user's high-voltage fence voltage is reduced to an X-former (2) of WV, the ladle refining device one (5) and the ladle refining device two (6) that all join with said X-former (2) and is used for the work of LF ladle refining furnace is controlled; Said ladle refining device one (5) joins with X-former (2) through rise fall of electrodes system one (4) with the short net system one that rise fall of electrodes system one (4) joins; Said ladle refining device two (6) joins with X-former (2) through rise fall of electrodes system two (8) with the short net system two that rise fall of electrodes system two (8) joins; Said rise fall of electrodes system one (4) and rise fall of electrodes system two (8) join with hydraulic pressure system unified (9) and hydraulicefficiency system two (10) respectively, and said short net system one and weak point net system two are connected in parallel on the output terminal of X-former (2); Said high pressure control cabinet (1), X-former (2), short net system one, ladle refining device one (5) all join with low-pressure electric controlled system one (11) with hydraulic pressure system unified (9), said ladle refining device two (6), lack net system two, hydraulicefficiency system two (10) and low-pressure electric controlled system one (11) and all join with low-pressure electric controlled system two (12).
2. the LF ladle refining furnace that moves simultaneously according to the two refining stations of the described common transformer two-in-parallel of claim 1; It is characterized in that: said short net system one comprises that the output terminal with X-former (2) joins go out the short net of wall one (3-1), with conductive cross arm one (3-3) that goes out water-cooled cable one (3-2) that the short net of wall one (3-1) join, joins with water-cooled cable one (3-2) and the electrode one (3-4) that joins with conductive cross arm one (3-3), saidly go out the short net of wall one (3-1) and be provided with current transformer one (3-5); Said conductive cross arm one (3-3) and rise fall of electrodes system one (4) join, and saidly go out the short net of wall one (3-1) summation current transformer one (3-5) and all join with low-pressure electric controlled system one (11).
3. the LF ladle refining furnace that moves simultaneously according to the two refining stations of the described common transformer two-in-parallel of claim 2 is characterized in that: saidly go out the short net of wall one (3-1) and be made up of the six roots of sensation water-cooled copper that the output terminal with X-former (2) joins.
4. the LF ladle refining furnace that moves simultaneously according to the two refining stations of the described common transformer two-in-parallel of claim 2; It is characterized in that: said short net system two comprise with go out that the short net of wall one (3-1) join hang short net (7-1), with hang that short net (7-1) joins go out the short net of wall two (7-2), with conductive cross arm two (7-4) that goes out water-cooled cable two (7-3) that the short net of wall two (7-2) join, joins with water-cooled cable two (7-3) and the electrode two (7-5) that joins with conductive cross arm two (7-4), the said short net (7-1) of hanging is provided with current transformer two (7-6); Said conductive cross arm two (7-4) and rise fall of electrodes system two (8) join, and saidly go out the short net of wall two (7-2) summation current transformer two (7-6) and all join with low-pressure electric controlled system two (12).
5. the LF ladle refining furnace that moves simultaneously according to the two refining stations of the described common transformer two-in-parallel of claim 4; It is characterized in that: said hang short net (7-1) by with go out the short net of wall one (3-1) six roots of sensation water-cooled copper that joins and a plurality of the hanging (13) that is connected on the six roots of sensation water-cooled copper and constitute, said go out the short net of wall two (7-2) by with hang the six roots of sensation water-cooled copper that short net (7-1) joins and constitute.
6. the LF ladle refining furnace that moves simultaneously according to claim 1, the two refining stations of 2 or 4 described common transformer two-in-parallels; It is characterized in that: said low-pressure electric controlled system one (11) comprises IPC one (11-1), the PLC programmable logic controller one (11-2) that joins with IPC one (11-1) and the PLC programmable logic controller two (11-3) that joins with PLC programmable logic controller one (11-2); Said PLC programmable logic controller one (11-2) joins with HYDRAULIC CONTROL SYSTEM module one (11-4), high pressure on/off switch control module one (11-5), high-pressure system control module one (11-6), X-former control module one (11-7) and the spacing module one of ladle refining device (11-8); Said PLC programmable logic controller two (11-3) joins with X-former gear control module one (11-9), water-cooling system control module one (11-10), smelting Intelligent Fuzzy Control module one (11-11) and ladle walking control module one (11-12); Said X-former control module one (11-7) and X-former gear control module one (11-9) are all joined with X-former (2); Said HYDRAULIC CONTROL SYSTEM module one (11-4) is joined with hydraulic pressure system unified (9), and said high pressure on/off switch control module one (11-5) and high-pressure system control module one (11-6) are all joined with high pressure control cabinet (1).
7. the LF ladle refining furnace that moves simultaneously according to the two refining stations of the described common transformer two-in-parallel of claim 6; It is characterized in that: said low-pressure electric controlled system two (12) comprises IPC two (12-1), the PLC programmable logic controller three (12-2) that joins with IPC two (12-1) and the PLC programmable logic controller four (12-3) that joins with PLC programmable logic controller two (11-3) and PLC programmable logic controller three (12-2); Said PLC programmable logic controller three (12-2) joins with X-former gear control module two (12-4), water-cooling system control module two (12-5), smelting Intelligent Fuzzy Control module two (12-6) and ladle walking control module two (12-7); Said PLC programmable logic controller four (12-3) joins with HYDRAULIC CONTROL SYSTEM module two (12-8), high pressure on/off switch control module two (12-9), high-pressure system control module two (12-10), X-former control module two (12-11) and the spacing module two of ladle refining device (12-12), and said HYDRAULIC CONTROL SYSTEM module two (12-8) is joined with hydraulicefficiency system two (10).
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011202065587U CN202116584U (en) | 2011-06-20 | 2011-06-20 | Low frequency (LF) ladle refining furnace with shared transformer double-parallel-connection and double-refining-station running simultaneously |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011202065587U CN202116584U (en) | 2011-06-20 | 2011-06-20 | Low frequency (LF) ladle refining furnace with shared transformer double-parallel-connection and double-refining-station running simultaneously |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103075883A (en) * | 2012-05-31 | 2013-05-01 | 辽宁新发展耐火材料集团有限公司 | Efficient energy-saving full-automatic electric magnesium melting revolving furnace |
-
2011
- 2011-06-20 CN CN2011202065587U patent/CN202116584U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103075883A (en) * | 2012-05-31 | 2013-05-01 | 辽宁新发展耐火材料集团有限公司 | Efficient energy-saving full-automatic electric magnesium melting revolving furnace |
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