CN210268150U

CN210268150U - Double-electrode direct-current electric arc furnace

Info

Publication number: CN210268150U
Application number: CN201920500838.5U
Authority: CN
Inventors: 杜晓静; 刘军; 陈以波
Original assignee: Shaanxi Chengda Industrial Furnace Manufacturing Co Ltd
Current assignee: Shaanxi Chengda Industrial Furnace Manufacturing Co Ltd
Priority date: 2019-04-15
Filing date: 2019-04-15
Publication date: 2020-04-07
Anticipated expiration: 2029-04-15

Abstract

The utility model relates to an electric arc furnace design technical field specifically is a bipolar electrode direct current electric arc furnace, the on-line screen storage device comprises a base, the pivot is installed through the bearing in the top of base, and fixed mounting has the furnace body in the pivot, the right-hand member of pivot has lift push rod through bolt fixed mounting, and lift push rod's output has the upset motor through bolt fixed mounting, the output drive of upset motor has the connecting rod, and the bottom chucking of connecting rod installs the top electrode bar. The beneficial effects are that: the device can utilize the effectual torque that bears the furnace body of gliding slide bar to transfer to the base on to the effectual stability that improves the furnace body, and the gesture that adopts rack and runner's meshing cooperation mode adjustment furnace body also can effectually break through the limitation of traditional push rod adjustment, makes the furnace body obtain bigger angle of inclination when empting, has not only made things convenient for the outflow of molten state material, has also made things convenient for subsequent clearance to maintain moreover.

Description

Double-electrode direct-current electric arc furnace

Technical Field

The utility model relates to an electric arc furnace designs technical field, specifically is a bipolar electrode direct current electric arc furnace.

Background

The direct current electric arc furnace is an electric furnace for smelting ores at high temperature by utilizing electric arcs generated by direct current, the traditional electric arc furnace mainly adopts a push rod to realize the turnover of the electric arc furnace when in use, but the normal operation and maintenance are limited because the turnover angle is smaller due to the limited stroke of the push rod. And the electric arc furnace can receive the impact of ore when the material loading, leads to the furnace body to take place to rock, causes the incident easily.

The problem can be solved by the novel electric arc furnace which has good safety and is easy to dump materials, and therefore the double-electrode direct current electric arc furnace is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bipolar electrode direct current electric arc furnace to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a double-electrode direct-current electric arc furnace comprises a base, wherein a rotating shaft is arranged above the base through a bearing, a furnace body is fixedly arranged on the rotating shaft, a lifting push rod is fixedly arranged at the right end of the rotating shaft through a bolt, an overturning motor is fixedly arranged at the output end of the lifting push rod through a bolt, a connecting rod is driven at the output end of the overturning motor, and a top electrode rod is tightly clamped and arranged at the bottom of the connecting rod;

an adjusting push rod is fixedly installed on the left side of the base through a bolt, a rack is driven by the output end of the adjusting push rod, a guide block used for guiding the rack is fixedly installed on the base through the bolt, a rotating wheel meshed with the rack is fixedly installed on the left side of the rotating shaft through the bolt, a bottom electrode rod matched with a top electrode rod is fixedly installed at the bottom of the furnace body, a liquid drainage seat used for draining liquid is integrally formed at the front end of the furnace body, and the top electrode rod and the bottom electrode rod are graphite rods electrically connected with an external power supply;

the furnace body is characterized in that a fixed push rod is fixedly mounted on the base through a bolt, a supporting plate is fixedly mounted at the output end of the fixed push rod, a limiting rod is integrally formed at the lower end of the supporting plate, a limiting barrel matched with the limiting rod is integrally formed on the base, a sliding rod is integrally formed at the upper end of the supporting plate, and a matching positioning seat in sliding fit with the sliding rod is integrally formed below the furnace body.

Preferably, the front end fixed mounting of flowing back seat has the fluid-discharge tube that matches with inside flowing back runner, and integrated into one piece has the direction slide tube with inside flowing back runner intercommunication on the flowing back seat, there is spacing push rod through bolt fixed mounting on the furnace body, and the output drive of spacing push rod installs the resistant heat seal mouth piece that matches with the direction slide tube, spacing push rod is the two effect pneumatic cylinders of single pole, and spacing push rod adopts manual formula hydraulic valve control.

Preferably, the top of furnace body is provided with the closing cap, and the front end integrated into one piece of closing cap has last articulated seat, and integrated into one piece has well articulated seat and articulated seat down on the furnace body, go up articulated installation between articulated seat and the well articulated seat, and the articulated flip push rod of installing of the output of articulated seat down, the output of flip push rod is with the articulated installation of last articulated seat, and the flip push rod is for adopting the two effect pneumatic cylinders of single pole of manual formula hydraulic valve control.

Preferably, the lifting push rod, the adjusting push rod and the fixing push rod are single-rod double-acting electric push rods controlled by a manual hydraulic valve, and the overturning motor is a three-phase stepping motor controlled by a knob switch.

Compared with the prior art, the beneficial effects of the utility model are that:

the device can utilize can the effectual torque that bears the furnace body of gliding slide bar to transfer to the base, thereby the effectual stability that improves the furnace body, and the gesture that adopts rack and runner's meshing cooperation mode adjustment furnace body also can effectually break through the limitation of traditional push rod adjustment, make the furnace body obtain bigger angle of inclination when empting, not only made things convenient for the outflow of molten condition material, but also made things convenient for subsequent clearance to maintain, and the device can also effectually control the flow when the material is emptyd through spacing push rod, thereby facilitate the use more.

Drawings

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

fig. 2 is a side view of the structure of the present invention.

In the figure: the device comprises a base 1, a limiting barrel 2, a limiting rod 3, a liquid discharge tube 4, a guide sliding tube 5, a limiting push rod 6, a lower hinged seat 7, a lifting push rod 8, a rotating shaft 9, a turnover motor 10, a connecting rod 11, a top electrode rod 12, a sealing cover 13, a furnace body 14, a rotating wheel 15, a matching positioning seat 16, a rack 17, an adjusting push rod 18, a fixing push rod 19, a flip push rod 20, an upper hinged seat 21, a hinged seat in 22, a liquid discharge seat 23, a heat-resistant sealing opening block 24, an electrode rod at the bottom 25, a guide block 26, a supporting plate 27 and a slide rod 28.

Detailed Description

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 technical scheme in the utility model, all other embodiments that ordinary skilled person in the art obtained under the prerequisite of not making the creative work all belong to the scope of the utility model protection.

Referring to fig. 1 to 2, the present invention provides a technical solution: a double-electrode direct-current electric arc furnace comprises a base 1, wherein a rotating shaft 9 is mounted above the base 1 through a bearing, a furnace body 14 is fixedly mounted on the rotating shaft 9, a lifting push rod 8 is fixedly mounted at the right end of the rotating shaft 9 through a bolt, an overturning motor 10 is fixedly mounted at the output end of the lifting push rod 8 through a bolt, a connecting rod 11 is driven at the output end of the overturning motor 10, and a top electrode rod 12 is tightly clamped and mounted at the bottom of the connecting rod 11;

an adjusting push rod 18 is fixedly installed on the left side of the base 1 through a bolt, a rack 17 is driven by the output end of the adjusting push rod 18, a guide block 26 used for guiding the rack 17 is fixedly installed on the base 1 through a bolt, a rotating wheel 15 meshed with the rack 17 is fixedly installed on the left side of the rotating shaft 9 through a bolt, a bottom electrode rod 25 matched with the top electrode rod 12 is fixedly installed at the bottom of the furnace body 14, a liquid drainage seat 23 used for draining liquid is integrally formed at the front end of the furnace body 14, and the top electrode rod 12 and the bottom electrode rod 25 are graphite rods electrically connected with an external power supply;

a fixed push rod 19 is fixedly arranged on the base 1 through bolts, a support plate 27 is fixedly arranged at the output end of the fixed push rod 19, a limiting rod 3 is integrally formed at the lower end of the support plate 27, a limiting barrel 2 matched with the limiting rod 3 is integrally formed on the base 1, a sliding rod 28 is integrally formed at the upper end of the support plate 27, and a matching positioning seat 16 in sliding fit with the sliding rod 28 is integrally formed below the furnace body 14;

a liquid discharge pipe 4 matched with the internal liquid discharge flow passage is fixedly installed at the front end of the liquid discharge seat 23, a guide sliding pipe 5 communicated with the internal liquid discharge flow passage is integrally formed on the liquid discharge seat 23, a limit push rod 6 is fixedly installed on the furnace body 14 through a bolt, a heat-resistant sealing block 24 matched with the guide sliding pipe 5 is installed at the output end of the limit push rod 6 in a driving mode, the heat-resistant sealing block is a single-rod double-acting hydraulic cylinder made of heat-insulating ceramics, the limit push rod 6 is controlled by a manual hydraulic valve, a sealing cover 13 is arranged above the furnace body 14, an upper hinge seat 21 is integrally formed at the front end of the sealing cover 13, a middle hinge seat 22 and a lower hinge seat 7 are integrally formed on the furnace body 14, the upper hinge seat 21 and the middle hinge seat 22 are hinged and installed, a flip push rod 20 is hinged and installed at the output end of the lower hinge seat 7, and the output, the flip push rod 20 is a single-rod double-acting hydraulic cylinder controlled by a manual hydraulic valve, the limit push rod 6, the lifting push rod 8, the adjusting push rod 18 and the fixing push rod 19 are single-rod double-acting electric push rods controlled by the manual hydraulic valve, and the flip motor 10 is a three-phase stepping motor controlled by a knob switch.

The working principle is as follows: the device during operation, can utilize the external equipment by the interior material loading of the device's rear side direction furnace body 14, during the material loading, lift push rod 8 at first drives top electrode bar 12 rebound, then under the drive of upset motor 10, avoid influencing the material loading operation with the upset of top electrode bar 12 outside, thereby utilize flip push rod 20 drive closing cap 13 upset to open the top of furnace body 14 afterwards, the material loading is accomplished the back, top electrode bar 12 and closing cap 13 resume to operating position again, can utilize the material of top electrode bar 12 and bottom electrode bar 25 in to furnace body 14 to melt this moment, the material melts and can empty after accomplishing. When the melting material in the furnace body 14 needs to be poured, firstly, the fixed push rod 19 is needed to drive the slide rod 18 to make the slide rod 18 break away from the matching state with the matching positioning seat 16, but no matter whether the slide rod 18 is matched with the matching positioning seat 16 or not, the limiting rod 3 and the limiting cylinder 2 are always in the matching state, so that when the furnace body 14 is in a feeding state or a material melting state, the torque born by the furnace body 14 can be directly acted on the base 1 through the slide rod 28, the working stability of the furnace body is maintained, the fixed push rod 19 is prevented from directly bearing the torque, and the service life of the furnace body is prolonged. After the sliding rod 18 is separated, the adjusting push rod 18 can be used for driving the rack 17 to move along the guide rail on the guide block 26, so that the rack 17 is used for driving the rotating wheel 15 to rotate, the rotating wheel 15 can directly drive the furnace body 14 to rotate, then the limit push rod 6 is used for driving the heat-resistant sealing block 24 to separate from the guide sliding pipe 5, the liquid discharge flow channel can be opened, liquid discharge is carried out through the liquid discharge pipe 4, and after liquid discharge is finished, the furnace body 14 returns to the initial position again. Because top electrode bar 12 and closing cap 13 can rotate along with the initiative of furnace body 14, consequently still can heat the material in the furnace body 14 at flowing back in-process, and the work efficiency is improved, and closing cap 13 also can effectually avoid inside liquid to take place to spill over when empting, thereby the security of work has been improved, and adopt spacing push rod 6 drive to resist the switch that hot sealing mouth piece 24 adjustment is located the flowing back runner of flowing back seat 23 also can the flow of effectual control single flowing back when using can also carry out intermittent type nature flowing back, thereby the different container of receiving melt state material of adaptation. The device can utilize the effectual torque that bears furnace body 14 of gliding slide bar 28 to transfer to the base, thereby the effectual stability that improves furnace body 14, and the gesture that adopts rack 17 and runner 15's meshing cooperation mode adjustment furnace body 14 also can effectually break through the limitation of traditional push rod adjustment, make the furnace body obtain bigger angle of inclination when empting, not only made things convenient for the outflow of molten condition material, and also made things convenient for subsequent clearance to maintain, and the device can also effectually control the flow when the material is emptyd through spacing push rod 6, thereby facilitate the use more, and has very high practical value.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A double-electrode direct current electric arc furnace, includes base (1), its characterized in that: a rotating shaft (9) is mounted above the base (1) through a bearing, a furnace body (14) is fixedly mounted on the rotating shaft (9), a lifting push rod (8) is fixedly mounted at the right end of the rotating shaft (9) through a bolt, a turnover motor (10) is fixedly mounted at the output end of the lifting push rod (8) through a bolt, a connecting rod (11) is driven at the output end of the turnover motor (10), and a top electrode rod (12) is fixedly mounted at the bottom of the connecting rod (11);

an adjusting push rod (18) is fixedly mounted on the left side of the base (1) through a bolt, a rack (17) is driven by the output end of the adjusting push rod (18), a guide block (26) used for guiding the rack (17) is fixedly mounted on the base (1) through a bolt, a rotating wheel (15) meshed with the rack (17) is fixedly mounted on the left side of the rotating shaft (9) through a bolt, a bottom electrode rod (25) matched with the top electrode rod (12) is fixedly mounted at the bottom of the furnace body (14), a liquid drainage seat (23) used for draining liquid is integrally formed at the front end of the furnace body (14), and the top electrode rod (12) and the bottom electrode rod (25) are graphite rods electrically connected with an external power supply;

there is fixed push rod (19) through bolt fixed mounting on base (1), and the output fixed mounting of fixed push rod (19) has backup pad (27), the lower extreme integrated into one piece of backup pad (27) has gag lever post (3), and base (1) goes up integrated into one piece has spacing section of thick bamboo (2) of matcing with gag lever post (3), the upper end integrated into one piece of backup pad (27) has slide bar (28), and the below integrated into one piece of furnace body (14) have with slide bar (28) sliding fit's cooperation positioning seat (16).

2. A two-electrode dc electric arc furnace as claimed in claim 1, characterized in that: the utility model discloses a furnace body, including flowing back seat (23), furnace body (14), the front end fixed mounting of flowing back seat (23) has fluid-discharge tube (4) that matches with inside flowing back runner, and integrated into one piece have direction slide tube (5) with inside flowing back runner intercommunication on flowing back seat (23), there is spacing push rod (6) through bolt fixed mounting on furnace body (14), and the output drive of spacing push rod (6) installs heat-resisting sealing block (24) that matches with direction slide tube (5), spacing push rod (6) are the two effect pneumatic cylinders of single pole, and spacing push rod (6) adopt manual formula hydraulic valve control.

3. A two-electrode dc electric arc furnace as claimed in claim 1, characterized in that: the top of furnace body (14) is provided with closing cap (13), and the front end integrated into one piece of closing cap (13) has last articulated seat (21), and furnace body (14) go up integrated into one piece have well articulated seat (22) and articulated seat (7) down, go up articulated seat (21) and well articulated seat (22) between articulated installation, and the articulated flip push rod (20) of installing of output of articulated seat (7) down, the output of flip push rod (20) is articulated the installation with last articulated seat (21), and flip push rod (20) are for adopting the two effect pneumatic cylinders of single pole of manual formula hydraulic valve control.

4. A two-electrode dc electric arc furnace as claimed in claim 1, characterized in that: the lifting push rod (8), the adjusting push rod (18) and the fixing push rod (19) are single-rod double-acting electric push rods controlled by a manual hydraulic valve, and the overturning motor (10) is a three-phase stepping motor controlled by a knob switch.