CN208817970U - Commutator transformer smelting device - Google Patents

Commutator transformer smelting device Download PDF

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Publication number
CN208817970U
CN208817970U CN201821553231.5U CN201821553231U CN208817970U CN 208817970 U CN208817970 U CN 208817970U CN 201821553231 U CN201821553231 U CN 201821553231U CN 208817970 U CN208817970 U CN 208817970U
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China
Prior art keywords
commutator
groups
electric furnace
rectangular electric
transformers
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CN201821553231.5U
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Chinese (zh)
Inventor
唐秧发
丁长桂
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Hunan Achievements Of A Ruler Transformer Co Ltd
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Hunan Achievements Of A Ruler Transformer Co Ltd
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Abstract

The utility model relates to a kind of commutator transformer smelting devices, including at least three groups of commutator transformers and a rectangular electric furnace, at least three groups of commutator transformers are around the side set on rectangular electric furnace, each group of commutator transformer includes at least three iron cores, coil is tied on each iron core, the star of formation end to end of the coil connect or corner connection after connect with rectifier cell, the input terminal of each iron core coil is correspondingly connected with to form a positive electrode, the output end of each iron core coil is correspondingly connected with to form a negative electrode, the positive electrode and negative electrode are electrically connected in anode and cathode built in rectangular electric furnace, electric arc quantity of heat given up is generated to the rectangular electric furnace by three groups of commutator transformers.The utility model does work smelting by using more electrodes in rectangular electric furnace, had not only effectively reduced eddy-current loss and the loss of voltage, but also greatly improve the heating efficiency of electric furnace, furnace inner area power, and had met the needs that large-scale smelting furnace uses.

Description

Commutator transformer smelting device
Technical field
The utility model relates to metallurgical technology fields, more particularly to a kind of commutator transformer smelting device.
Background technique
What smelting industry used substantially at present is all that exchange is smelted, and is exchanged mineral hot furnace and be equipped with for secondary high current from change Depressor will bring kelvin effect, vortex and reactance to the short net copper bar of electric furnace in this way, generate eddy-current loss, electricity to will lead to The consequence of the anti-bring loss of voltage, and commutator transformer use can solve the problem above-mentioned in smelting, and exchange is avoided to become The eddy-current loss of depressor, the reactance bring loss of voltage.
It is responsible for lift adjustment load in the existing usual Single lead of commutator transformer smelting device, i.e. furnace bottom cathode, furnace Be anode, can be with the electrode of lift adjustment anode.However, the heat source that the Single lead of above-mentioned commutator transformer generates is one A, energy is too small, causes heating efficiency very limited, uses so being unable to satisfy large-scale smelting furnace (10000KVA or more) Needs.
Utility model content
Based on this, it is necessary in view of the above-mentioned problems, a kind of commutator transformer smelting device is provided, so that vortex be effectively reduced Loss and the loss of voltage, and promote the heating efficiency of electric furnace, furnace inner area power.
The utility model provides a kind of commutator transformer smelting device, including at least three groups of commutator transformers and rectangle electricity Furnace, at least three groups of commutator transformers include at least three around the side set on rectangular electric furnace, each group of commutator transformer Iron core, is tied with coil on each iron core, the star of formation end to end of the coil connect or corner connection after connect with rectifier cell, Mei Yitie The input terminal of core coil is correspondingly connected with to form a positive electrode, and the output end of each iron core coil is correspondingly connected with to form a negative electricity Pole, the positive electrode and negative electrode are electrically connected in anode and cathode built in rectangular electric furnace, pass through three groups of commutator transformers Electric arc quantity of heat given up is generated to the rectangular electric furnace.
Further, in above-mentioned commutator transformer smelting device, the quantity of at least three groups commutator transformers is three Group, three groups of commutator transformers are around three sides set on rectangular electric furnace.
Further, in above-mentioned commutator transformer smelting device, the quantity of at least three groups commutator transformers is four Group, four groups of commutator transformers are around four sides set on rectangular electric furnace.
Further, in above-mentioned commutator transformer smelting device, the rectifier cell is rectifier diode or rectifier cabinet.
The utility model commutator transformer smelting device does work smelting by using more electrodes in rectangular electric furnace, existing Effect reduces eddy-current loss and the loss of voltage, and greatly improves the heating efficiency and furnace inner area power of electric furnace, meets big The needs that type smelting furnace uses.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model commutator transformer smelting device first embodiment;
Fig. 2 is the structural schematic diagram of the utility model commutator transformer smelting device second embodiment.
Specific embodiment
Referring to Fig. 1, Fig. 1 is the structural schematic diagram of the utility model commutator transformer smelting device first embodiment.Institute It states commutator transformer smelting device and structure is smelted using multiloop commutator transformer comprising three groups of commutator transformers 10 and a square Shape electric furnace 20, three groups of commutator transformers 10 are around three sides set on rectangular electric furnace 20, each group of commutator transformer 10 Including at least three iron cores 1, be tied with coil 2 on each iron core 1, the star of formation end to end of the coil 2 connect or corner connection after with it is whole Fluid element 3 connects, and the input terminal of each 1 coil 2 of iron core is correspondingly connected with to form a positive electrode 4, each 1 coil 2 of iron core Output end is correspondingly connected with to form a negative electrode 5, and the positive electrode 4 and negative electrode 5 are electrically connected in built in rectangular electric furnace 20 Anode and cathode generate electric arc quantity of heat given up to the rectangular electric furnace 20 by three groups of commutator transformers 10.
In the present embodiment, the rectifier cell 3 is rectifier diode or rectifier cabinet.
Referring to Fig. 2, Fig. 2 is the structural schematic diagram of the utility model commutator transformer smelting device second embodiment.Institute It states commutator transformer smelting device and structure is smelted using multiloop commutator transformer comprising four groups of commutator transformers 10 and a square Shape electric furnace 20, four groups of commutator transformers 10 are around four sides set on rectangular electric furnace 20, each group of commutator transformer 10 Including at least three iron cores 1, be tied with coil 2 on each iron core 1, the star of formation end to end of the coil 2 connect or corner connection after with it is whole Fluid element 3 connects, and the input terminal of each 1 coil 2 of iron core is correspondingly connected with to form a positive electrode 4, each 1 coil 2 of iron core Output end is correspondingly connected with to form a negative electrode 5, and the positive electrode 4 and negative electrode 5 are electrically connected in built in rectangular electric furnace 20 Anode and cathode generate electric arc quantity of heat given up to the rectangular electric furnace 20 by three groups of commutator transformers 10.
In the present embodiment, the rectifier cell 3 is rectifier diode or rectifier cabinet.
It should be noted that the utility model commutator transformer smelting device can also be four groups or more commutator transformers, Around four sides set on rectangular electric furnace.
Compared with the prior art, the utility model commutator transformer smelting device has the beneficial effect that
The utility model commutator transformer smelting device gives the rectangular electric furnace 20 by short net direct current output, thus may be used Transformer and furnace power are increased to 18000KW-40000KW, it can be better balanced furnace inner area power, heating efficiency, Furnace inner area power increases substantially so that production energy-saving index optimize, more meet national energy-saving consumption reduction industrial policy and The industrial restructuring of smelting industry.
The utility model commutator transformer smelting device uses direct current supply, the Once-through Boiler natural power factor of 30000KVA Up to 0.92;And the unit cross-sectional area of conductor winding is efficiently reduced, this disadvantage of conductor kelvin effect is maximally overcome, Effectively reduce eddy-current loss;Multiloop direct current supply smelting process inhibits the generation of harmonic wave, has purified the power supply of power grid Quality;An individual rectifier cabinet is saved, a small controller cabinet is only needed, place installation space and drop is greatly saved Low equipment input cost.
The utility model commutator transformer smelting device can more (6-8 root) electrodes do work in furnace smelting, and it is single Direct current smelting compares, same furnace inner area, and area power can be improved 4 times or more.
To sum up, the utility model commutator transformer smelting device does work smelting by using more electrodes in rectangular electric furnace Refining, had not only effectively reduced eddy-current loss and the loss of voltage, but also greatly improve the heating efficiency of electric furnace, furnace inner area power, full The needs that the large-scale smelting furnace of foot uses.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed, But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.

Claims (4)

1. a kind of commutator transformer smelting device, which is characterized in that described device includes at least three groups of commutator transformers and a square Shape electric furnace, at least three groups of commutator transformers include at least around the side set on rectangular electric furnace, each group of commutator transformer Three iron cores, are tied with coil on each iron core, the star of formation end to end of the coil connect or corner connection after connect with rectifier cell, often The input terminal of one iron core coil is correspondingly connected with to form a positive electrode, and the output end of each iron core coil is correspondingly connected with to form one Negative electrode, the positive electrode and negative electrode are electrically connected in anode and cathode built in rectangular electric furnace, are become by three groups of direct currents Depressor generates electric arc quantity of heat given up to the rectangular electric furnace.
2. commutator transformer smelting device according to claim 1, which is characterized in that at least three groups of commutator transformers Quantity be three groups, three groups of commutator transformers around set on rectangular electric furnace three sides.
3. commutator transformer smelting device according to claim 1, which is characterized in that at least three groups of commutator transformers Quantity be four groups, four groups of commutator transformers around set on rectangular electric furnace four sides.
4. commutator transformer smelting device according to claim 1 or 2 or 3, which is characterized in that the rectifier cell is whole Flow diode or rectifier cabinet.
CN201821553231.5U 2018-09-22 2018-09-22 Commutator transformer smelting device Active CN208817970U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821553231.5U CN208817970U (en) 2018-09-22 2018-09-22 Commutator transformer smelting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821553231.5U CN208817970U (en) 2018-09-22 2018-09-22 Commutator transformer smelting device

Publications (1)

Publication Number Publication Date
CN208817970U true CN208817970U (en) 2019-05-03

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821553231.5U Active CN208817970U (en) 2018-09-22 2018-09-22 Commutator transformer smelting device

Country Status (1)

Country Link
CN (1) CN208817970U (en)

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