CN210151152U

CN210151152U - Low carbon chromium iron production is with economize on electricity refining furnace

Info

Publication number: CN210151152U
Application number: CN201920992705.4U
Authority: CN
Inventors: 任福宾
Original assignee: Inner Mongolia Risheng Zhibo Metallurgy Co Ltd
Current assignee: Inner Mongolia Risheng Zhibo Metallurgy Co Ltd
Priority date: 2019-06-27
Filing date: 2019-06-27
Publication date: 2020-03-17
Anticipated expiration: 2029-06-27

Abstract

The utility model discloses a low carbon chromium iron production is with economize on electricity refining furnace, include: the furnace cover assembly comprises a water-cooled furnace cover, a water inlet end, a water outlet end, an argon inlet and a hopper; the electrode assembly comprises an electrode seat, a heat-insulating sleeve and an electrode rod; electrode supporting component, it includes fixed clamp, connecting rod, backup pad and fixed plate, the lateral wall fixedly connected with of fixed clamp the connecting rod with the backup pad, one side fixedly connected with of backup pad the fixed plate. The utility model discloses make three electrode bars go up and down simultaneously, set up backup pad and fixed plate through the lateral wall at fixed clamp again, set up the screw sleeve on the fixed plate, make the screw sleeve be connected with the lead screw, the lead screw drives through the lead screw motor again, go up and down to the screw sleeve to make the height-adjusting that three electrode bars can be timely, avoid the bottom of electrode bar can not in time contact with the slag in the stove, thereby reduce the power consumption of electrode bar, reach the purpose of economize on electricity.

Description

Low carbon chromium iron production is with economize on electricity refining furnace

The technical field is as follows:

the utility model relates to a refining furnace technical field specifically is a low carbon chromium iron production is with economize on electricity refining furnace

Background art:

the refining furnace is a smelting device in the hot working industry, is used for carrying out final deoxidation and alloying process on molten steel in ferrous metallurgy, wherein the LF furnace is a main device for refining low-carbon ferrochrome, is a special refining container and mostly adopts submerged arc refining operation. It is characterized in that: the molten steel smelted in the primary refining furnace is sent into a steel ladle, an electrode is inserted into slag on the upper part of the molten steel in the steel ladle to generate electric arc, synthetic slag is added to form high-alkalinity white slag, argon gas is used for stirring, so that strong reducing atmosphere is kept in the steel ladle, so-called submerged arc refining is carried out, and the bottom end of an electrode rod cannot be timely contacted with the slag in the furnace due to the fact that the electrode rod in the furnace cannot be lifted in the conventional refining furnace, so that the power consumption of the electrode rod is improved, and therefore the power-saving refining furnace for producing the low-carbon ferrochrome is provided.

The utility model has the following contents:

an object of the utility model is to provide a low carbon chromium iron production is with economize on electricity refining furnace to solve the problem that provides among the above-mentioned background art.

The utility model discloses by following technical scheme implement: an electricity-saving refining furnace for producing low-carbon ferrochrome comprises:

the furnace cover assembly comprises a water-cooled furnace cover, a water inlet end, a water outlet end, an argon inlet and a hopper;

the electrode assembly comprises an electrode seat, a heat-insulating sleeve and an electrode rod;

the electrode support assembly comprises a fixed clamp, a connecting rod, a support plate and a fixing plate, wherein the connecting rod and the support plate are fixedly connected to the outer side wall of the fixed clamp, and the fixing plate is fixedly connected to one side of the support plate;

the lifting assembly comprises a screw rod motor, a screw rod, a threaded sleeve and a limiting plate, wherein an output shaft of the screw rod motor is fixedly connected with the screw rod, the outer side wall of the screw rod is in threaded connection with the threaded sleeve, and the threaded sleeve is located inside the fixing plate.

As further preferable in the present technical solution: the water-cooled furnace cover is positioned above the furnace body and is clamped and connected with the furnace body.

As further preferable in the present technical solution: the outer side wall of the water-cooled furnace cover is provided with the water inlet end and the water outlet end, and the top of the water-cooled furnace cover is fixedly connected with the argon inlet and the hopper.

As further preferable in the present technical solution: the inside wall of electrode holder is equipped with the heat preservation sleeve, the inside of heat preservation sleeve has cup jointed the electrode bar.

As further preferable in the present technical solution: the outer side wall of the fixing clamp is provided with a buckle and a fixing bolt.

As further preferable in the present technical solution: the lifting assemblies are arranged in two groups, and the two groups of lifting assemblies are symmetrically distributed along the electrode holder.

The utility model has the advantages that: through setting up fixed clamp in the outside of electrode bar, make fixed clamp carry out the centre gripping to the electrode bar, and connect through the connecting rod between the three fixed clamp, make three electrode bars go up and down simultaneously, set up backup pad and fixed plate through the lateral wall at fixed clamp again, set up the screw sleeve on the fixed plate, make the screw sleeve be connected with the lead screw, the lead screw drives through the lead screw motor again, go up and down to the screw sleeve, thereby make the height-adjusting that three electrode bars can be timely, avoid the bottom of electrode bar can not in time with the furnace slag contact in the stove, thereby reduce the power consumption of electrode bar, reach the purpose of economizing on electricity.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of an electrode assembly according to the present invention;

FIG. 3 is an enlarged view of area A of FIG. 1 according to the present invention;

fig. 4 is a perspective view of the middle lifting assembly of the present invention.

In the figure: 1. a furnace body; 20. a furnace lid assembly; 21. a water-cooled furnace cover; 22. a water inlet end; 23. a water outlet end; 24. an argon inlet; 25. a hopper; 30. an electrode assembly; 31. an electrode holder; 32. a heat-insulating sleeve; 33. an electrode rod; 40. an electrode support assembly; 41. fixing a clamp; 411. buckling; 412. fixing the bolt; 42. a connecting rod; 43. a support plate; 44. a fixing plate; 50. a lifting assembly; 51. a screw motor; 52. a screw rod; 53. a threaded sleeve; 54. and a limiting plate.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Examples

Referring to fig. 1-4, the present invention provides a technical solution: an electricity-saving refining furnace for producing low-carbon ferrochrome comprises:

a furnace lid assembly 20 comprising a water cooled furnace lid 21, a water inlet end 22, a water outlet end 23, an argon inlet 24, and a hopper 25;

an electrode assembly 30 including an electrode holder 31, a heat-insulating sleeve 32, and an electrode rod 33;

the electrode supporting assembly 40 comprises a fixing clamp 41, a connecting rod 42, a supporting plate 43 and a fixing plate 44, wherein the connecting rod 42 and the supporting plate 43 are fixedly connected to the outer side wall of the fixing clamp 41, and the fixing plate 44 is fixedly connected to one side of the supporting plate 43;

lifting unit 50, it includes lead screw motor 51, lead screw 52, threaded sleeve 53 and limiting plate 54, lead screw motor 51's output shaft fixedly connected with lead screw 52, the lateral wall threaded connection of lead screw 52 has threaded sleeve 53, just threaded sleeve 53 is located the inside of fixed plate 44.

In this embodiment, the lead screw motor 51 is HSSM23D 410S.

In this embodiment, specifically: the water-cooled furnace cover 21 is positioned above the furnace body 1 and is clamped and connected with the furnace body 1; the water-cooled furnace lid 21 seals the furnace body 1 below.

In this embodiment, specifically: the outer side wall of the water-cooled furnace cover 21 is provided with the water inlet end 22 and the water outlet end 23, and the top of the water-cooled furnace cover 21 is fixedly connected with the argon inlet 24 and the hopper 25; the cold source enters the water-cooled furnace cover 21 through the water inlet end 22 to cool the water-cooled furnace cover 21, argon enters the furnace body 1 through the argon inlet 24, and materials enter the furnace body 1 through the hopper 25.

In this embodiment, specifically: the inner side wall of the electrode holder 31 is provided with the heat insulation sleeve 32, and the electrode bar 33 is sleeved in the heat insulation sleeve 32; the electrode holder 31 supports the three electrode rods 33, and the heat-insulating sleeve 32 insulates heat of the lower ends of the electrode rods 33.

In this embodiment, specifically: the outer side wall of the fixed clamp 41 is provided with a buckle 411 and a fixed bolt 412; the clip 411 engages with the fixed clip 41, and the fixing bolt 412 fixes the fixed clip 41.

In this embodiment, specifically: the two groups of lifting assemblies 50 are arranged, and the two groups of lifting assemblies 50 are symmetrically distributed along the electrode holder 31; the two sets of lifting assemblies 50 simultaneously lift and lower the electrode rods 33 in the electrode support assembly 40.

Firstly, fixing a fixed clamp 41 on an electrode bar 33, enabling the fixed clamp 41 to clamp and support the electrode bar 33, then connecting a threaded sleeve 53 on a fixed plate 44 on the outer side of the fixed clamp 41 with a screw rod 52, when the distance between the electrode bar 33 and slag needs to be adjusted, starting the screw rod motor 51, enabling the screw rod motor 51 to drive the screw rod 52 to rotate, driving the threaded sleeve 53 on the outer side of the screw rod 52 to lift while the screw rod 52 rotates, and driving the fixed plate 44 connected with the threaded sleeve 53 to lift again, thereby enabling the electrode bar 33 clamped on the fixed clamp 41 to lift, and therefore, completing the adjustment of the distance between the electrode bar 33 and the slag.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An electricity-saving refining furnace for producing low-carbon ferrochrome is characterized by comprising:

the furnace cover assembly (20) comprises a water-cooled furnace cover (21), a water inlet end (22), a water outlet end (23), an argon inlet (24) and a hopper (25);

an electrode assembly (30) comprising an electrode holder (31), a heat-insulating sleeve (32) and an electrode rod (33);

the electrode support assembly (40) comprises a fixed clamp (41), a connecting rod (42), a support plate (43) and a fixing plate (44), wherein the connecting rod (42) and the support plate (43) are fixedly connected to the outer side wall of the fixed clamp (41), and the fixing plate (44) is fixedly connected to one side of the support plate (43);

lifting unit (50), it includes lead screw motor (51), lead screw (52), threaded sleeve (53) and limiting plate (54), the output shaft fixedly connected with of lead screw motor (51) lead screw (52), the lateral wall threaded connection of lead screw (52) has threaded sleeve (53), just threaded sleeve (53) are located the inside of fixed plate (44).

2. The electricity-saving refining furnace for producing low-carbon ferrochrome according to claim 1, characterized in that: the water-cooled furnace cover (21) is positioned above the furnace body (1) and is clamped and connected with the furnace body (1).

3. The electricity-saving refining furnace for producing low-carbon ferrochrome according to claim 1, characterized in that: the lateral wall of water-cooled furnace lid (21) is equipped with go into water end (22) with go out water end (23), the top fixedly connected with of water-cooled furnace lid (21) argon gas entry (24) with hopper (25).

4. The electricity-saving refining furnace for producing low-carbon ferrochrome according to claim 1, characterized in that: the inside wall of electrode holder (31) is equipped with heat preservation sleeve (32), the inside of heat preservation sleeve (32) cup joints electrode bar (33).

5. The electricity-saving refining furnace for producing low-carbon ferrochrome according to claim 1, characterized in that: the outer side wall of the fixed clamp (41) is provided with a buckle (411) and a fixing bolt (412).

6. The electricity-saving refining furnace for producing low-carbon ferrochrome according to claim 1, characterized in that: the two groups of lifting assemblies (50) are arranged, and the two groups of lifting assemblies (50) are symmetrically distributed along the electrode holder (31).