CN216745377U

CN216745377U - Solid dangerous waste treatment direct current electric arc furnace

Info

Publication number: CN216745377U
Application number: CN202123211249.1U
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: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-06-14
Anticipated expiration: 2031-12-21

Abstract

The application provides useless direct current electric arc furnace of handling of solid danger, including the direct current electric arc furnace main part, the front portion of direct current electric arc furnace main part is provided with the stack, the upper end of stack is provided with the bell, the upper surface of bell is provided with the blast pipe, the lower extreme of direct current electric arc furnace main part is provided with the base, the top of bell is provided with quantitative feed mechanism, the front end of stack is provided with adjustment mechanism. This application is through setting up quantitative feeding mechanism, actuating mechanism can drive the rotary drum intermittent type nature and rotate, will follow the solid dangerous waste material ration that the feeder hopper drops into and store inside the storage silo to pour into the shaft of a furnace from the notch of lock ring lower extreme in proper order inside, realize the purpose of the inside pay-off of timing and ration to the shaft of a furnace, it can be insufficient to the useless processing of solid danger to have solved the excessive pay-off of existence at present, a small amount of pay-off then has the problem of the waste of electric power.

Description

Solid dangerous waste treatment direct current electric arc furnace

Technical Field

The utility model relates to an electric arc furnace field particularly, relates to a useless direct current electric arc furnace of handling of solid danger.

Background

With the improvement of electric arc furnace equipment and the improvement of smelting technology, the development of electric power industry and the continuous reduction of the cost of electric arc furnace steel making, the electric arc furnace steel making is not only used for producing alloy steel, but also used for producing a large amount of common carbon steel, the specific gravity of the yield of the common carbon steel in the total amount of steel in main industrial countries continuously increases, the electric arc furnace is equipment for carrying out electric steel making by taking electric arc generated between an electrode end part and furnace burden as a heat source, and the development of the electric arc furnace technology is to develop a direct current electric arc furnace, a furnace bottom air supply stirring and a furnace bottom tapping on the basis of adopting high power.

In the conventional technology, solid hazardous waste is directly fed from the upper end of an electric arc furnace, however, excessive feeding causes insufficient treatment of the solid hazardous waste, and a small amount of feeding causes waste of electric power. Therefore, we improve the problem and provide a direct current electric arc furnace for treating solid hazardous wastes.

Disclosure of Invention

The utility model aims to provide a: the problem that solid hazardous waste is not sufficiently treated due to excessive feeding and electric power is wasted due to small feeding is solved.

In order to achieve the purpose of the invention, the utility model provides the following technical scheme:

the solid hazardous waste treatment direct current electric arc furnace is used for improving the problems.

The present application is specifically such that:

including the direct current electric arc furnace main part, the front portion of direct current electric arc furnace main part is provided with the stack, the upper end of stack is provided with the bell, the upper surface of bell is provided with the blast pipe, the lower extreme of direct current electric arc furnace main part is provided with the base, the top of bell is provided with quantitative feed mechanism, the front end of stack is provided with adjustment mechanism.

As the preferred technical scheme of this application, ration feed mechanism includes the feeder hopper, the lower extreme fixedly connected with lock ring of feeder hopper, lock ring fixed connection is in the top of bell, the lock ring internal rotation is connected with the rotary drum, the leading flank of rotary drum is provided with actuating mechanism.

As the preferable technical scheme of this application, a notch has all been seted up at the upper and lower both ends of lock ring, four storage silos have been seted up on the outer lane surface of rotary drum.

As the preferred technical scheme of this application, actuating mechanism includes support ring and mounting disc, support ring and mounting disc are coaxial fixed connection all at the front side surface of rotary drum, divide four connecting rods of fixedly connected with equally between support ring and the mounting disc, first spout has been seted up to the leading flank of connecting rod, every adjacent two all be provided with an arc between the connecting rod, arc fixed connection is at the front side surface of mounting disc, the leading flank fixedly connected with diamond frame of mounting disc, every all form an arc wall between arc and the diamond frame.

As the preferred technical scheme of this application, the lower extreme the lower part of first spout is inserted and is equipped with the axle of dialling, the leading flank fixedly connected with connecting plate of axle of dialling, the upper end leading flank fixedly connected with transfer line of connecting plate, the middle part of transfer line is rotated and is connected with the support, the lower extreme fixed connection of support is at the upper surface of bell, the leading end fixedly connected with motor of transfer line, the lower extreme fixedly connected with bed hedgehopping piece of motor, bed hedgehopping piece fixed connection is at the upper surface of bell.

As the preferred technical scheme of this application, adjustment mechanism includes first discharging pipe, the one end fixed connection of first discharging pipe is at the front end of shaft, the other end sliding connection of first discharging pipe has the second discharging pipe, the one end rotation that the shaft was kept away from to the second discharging pipe is connected with the third discharging pipe.

As the preferred technical scheme of this application, furnace shaft one end outer lane fixed surface is kept away from to first discharging pipe is connected with the slider, the second spout has been seted up to the one end axial that the second discharging pipe is close to the furnace shaft, slider sliding connection is in the second spout.

As the preferred technical scheme of this application, the third discharging pipe is connected with one end inner circle fixed surface with the second discharging pipe and rotates the circle, the annular has been seted up on the one end outer lane surface that the second discharging pipe is connected with the third discharging pipe, it rotates to connect in the annular to rotate the circle.

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

1. by arranging the quantitative feeding mechanism, the driving mechanism can drive the rotary drum to intermittently rotate, so that the solid hazardous waste thrown from the feed hopper is quantitatively stored in the storage bin and is sequentially poured into the furnace body from the notch at the lower end of the support ring, the purpose of feeding the inside of the furnace body at regular time and quantity is realized, and the problems that the solid hazardous waste is not sufficiently treated due to the excessive feeding and the electric power is wasted due to the small feeding at present are solved;

2. through setting up adjustment mechanism, relative axial motion between first discharging pipe and the second discharging pipe to this adjustable adjustment mechanism's length avoids liquid metal in the furnace shaft to inconvenient flow to the ladle of certain distance, when the ladle is filled up and is prepared for changing the next ladle, through rotating the third discharging pipe, the angle direction of adjustable third discharging pipe export, with this accidental outflow that prevents liquid metal.

Drawings

FIG. 1 is a perspective view of the overall structure of a DC electric arc furnace for solid hazardous waste treatment provided by the present application;

FIG. 2 is a schematic sectional view of the furnace cover, the feed hopper, the support ring, the rotary drum, the notch and the storage bin of the solid hazardous waste treatment DC electric arc furnace provided by the present application;

FIG. 3 is a schematic perspective view of a driving mechanism of a DC arc furnace for solid hazardous waste treatment provided by the present application;

FIG. 4 is a schematic perspective view of an adjusting mechanism of the solid hazardous waste treatment DC electric arc furnace provided in the present application;

fig. 5 is a schematic sectional structural diagram of an adjusting mechanism of the solid hazardous waste treatment dc electric arc furnace provided by the present application.

The following are marked in the figure:

1. a direct current electric arc furnace main body; 2. a furnace body; 3. a furnace cover; 4. an exhaust pipe; 5. a base; 61. a feed hopper; 62. a support ring; 63. a rotating drum; 64. a drive mechanism; 6401. a support ring; 6402. mounting a disc; 6403. a connecting rod; 6404. a first chute; 6405. an arc-shaped plate; 6406. a diamond frame; 6407. an arc-shaped slot; 6408. a shaft is poked; 6409. a connecting plate; 6410. a transmission rod; 6411. a support; 6412. a motor; 6413. a block for raising; 65. a notch; 66. a storage bin; 7. an adjustment mechanism; 701. a first discharge pipe; 702. a second discharge pipe; 703. a third discharge pipe; 704. a slider; 705. a second chute; 706. rotating the ring; 707. and a ring groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them.

Thus, the following detailed description of the embodiments of the present invention is not intended to limit the scope of the invention as claimed, but is merely representative of some embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that, in the present invention, the embodiments and the features and technical solutions in the embodiments may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper" and "lower" indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, or the orientation or position relationship that the product of the present invention is usually placed when in use, or the orientation or position relationship that a person skilled in the art would conventionally understand, and such terms are only used for convenience of description and simplification of the description, but do not indicate or imply that the device or element that is referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used solely to distinguish one from another, and are not to be construed as indicating or implying relative importance.

As shown in fig. 1, the present embodiment provides a direct current electric arc furnace for treating solid hazardous waste, including a direct current electric arc furnace main body 1, a furnace body 2 is arranged in front of the direct current electric arc furnace main body 1, a furnace cover 3 is arranged on the upper end of the furnace body 2, an exhaust pipe 4 is arranged on the upper surface of the furnace cover 3, gas treated by the solid hazardous waste is discharged to a specific position from the exhaust pipe 4, a base 5 is arranged at the lower end of the direct current electric arc furnace main body 1, a quantitative feeding mechanism is arranged above the furnace cover 3, the solid hazardous waste can be fed into the furnace body 2 regularly and quantitatively through the quantitative feeding mechanism, an adjusting mechanism 7 is arranged at the front end of the furnace body 2, and the outflow of liquid metal in the furnace body 2 can be facilitated through the adjusting mechanism 7.

As shown in fig. 1 and 2, in addition to the above-mentioned mode, as a preferred embodiment, the quantitative feeding mechanism includes a feeding hopper 61, a support ring 62 is fixedly connected to the lower end of the feeding hopper 61, the support ring 62 is fixedly connected to the upper side of the furnace cover 3, a rotating drum 63 is rotatably connected to the support ring 62, a driving mechanism 64 is disposed on the front side of the rotating drum 63, the solid hazardous waste thrown in from the feeding hopper 61 enters the storage bin 66 at the upper end until the solid hazardous waste is filled, the rotating drum 63 indirectly rotates under the driving of the driving mechanism 64, the opening of the storage bin 66 filled with the solid hazardous waste is blocked by the inner wall of the support ring 62, and the next storage bin 66 is rotated to the upper end, thereby achieving the purpose of quantitative storage.

As shown in fig. 1 and 2, as a preferred embodiment, in addition to the above-mentioned mode, further, a notch 65 is opened at both the upper and lower ends of the support ring 62, four storage bins 66 are opened on the outer ring surface of the rotary drum 63, the solid hazardous waste enters the storage bin 66 at the upper end from the notch 65 at the upper end, when the storage bin 66 filled with the solid hazardous waste is turned to the lower end, the solid hazardous waste is poured out from the notch 65 at the lower end and enters the furnace shell 2, so as to realize the purpose of quantitatively feeding the solid hazardous waste thrown from the feed hopper 61 into the furnace shell 2 for internal treatment.

As shown in fig. 1, 2 and 3, as a preferred embodiment, based on the above-mentioned manner, further, the driving mechanism 64 includes a supporting ring 6401 and a mounting plate 6402, the supporting ring 6401 and the mounting plate 6402 are both coaxially and fixedly connected to the front side surface of the rotating drum 63, four connecting rods 6403 are equally and fixedly connected between the supporting ring 6401 and the mounting plate 6402, a first sliding slot 6404 is formed on the front side surface of each connecting rod 6403, an arc-shaped plate 6405 is arranged between every two adjacent connecting rods 6403, the arc-shaped plate 6405 is fixedly connected to the front side surface of the mounting plate 6402, a diamond-shaped frame 6406 is fixedly connected to the front side surface of the mounting plate 6402, an arc-shaped slot 6407 is formed between each arc-shaped plate 6405 and the diamond-shaped frame 6406, an arc-shaped slot 6407 is smoothly arranged between every two adjacent first sliding slots 6404, and the width of the diamond-shaped frame 6406 is equal to the width of the arc-shaped slot 6407, so that the shift shaft 6408 smoothly transits from one first sliding slot 6404 to the next first sliding slot 6404.

As shown in fig. 1, 2 and 3, as a preferred embodiment, based on the above-mentioned manner, further, a dial shaft 6408 is inserted into a lower portion of the first sliding slot 6404 at a lower end, a connecting plate 6409 is fixedly connected to a front side of the dial shaft 6408, a transmission rod 6410 is fixedly connected to a front side of an upper end of the connecting plate 6409, a bracket 6411 is rotatably connected to a middle portion of the transmission rod 6410, a lower end of the bracket 6411 is fixedly connected to an upper surface of the furnace lid 3, a motor 6412 is fixedly connected to a front end of the transmission rod 6410, a lower end of the motor 6412 is fixedly connected to a height block 6413, the height block 6413 is fixedly connected to the upper surface of the furnace lid 3, an input end of the motor 6412 is electrically connected to the power switch through a wire, an output shaft of the motor 6412 is fixedly connected to the transmission rod 6410, the motor 6412 is started to drive the transmission rod 6410 and the connecting plate 6409 to rotate the dial shaft 6408 to rotate around an axis of the transmission rod 6410 to dial the connection rod 6403 to move the connection rod 6403, the supporting ring 6401 is driven to rotate, so that the rotating drum 63 rotates in the supporting ring 62, the shifting shaft 6408 slides in the first sliding groove 6404 to one end close to the rhombic frame 6406, when the shifting shaft 6408 enters the arc-shaped groove 6407, the connecting rod 6403 and the supporting ring 6401 stop rotating, namely the rotating drum 63 stops rotating, and at the moment, the two storage bins 66 rotate to the positions of the two notches 65 respectively, so that the purposes of quantitative storage and material pouring are achieved.

As shown in fig. 1, 4 and 5, as a preferred embodiment, in addition to the above-mentioned embodiments, the adjusting mechanism 7 includes a first discharging pipe 701, one end of the first discharging pipe 701 is fixedly connected to the front end of the furnace body 2, the other end of the first discharging pipe 701 is slidably connected to a second discharging pipe 702, one end of the second discharging pipe 702 far away from the furnace body 2 is rotatably connected to a third discharging pipe 703, and the outlet of the third discharging pipe 703 can be adjusted to a proper distance position by adjusting the expansion length between the first discharging pipe 701 and the second discharging pipe 702, so as to prevent the liquid metal in the furnace body 2 from inconveniently flowing into the ladle at a certain distance, and the angle direction of the outlet of the third discharging pipe 703 can be adjusted by rotatably adjusting the angle between the second discharging pipe 702 and the third discharging pipe 703, thereby preventing the liquid metal from accidentally flowing out.

As shown in fig. 1, 4 and 5, as a preferred embodiment, in addition to the above-described embodiment, a slide block 704 is fixedly connected to an outer circumferential surface of one end of the first discharge pipe 701, which is away from the furnace body 2, a second slide groove 705 is axially formed in one end of the second discharge pipe 702, which is close to the furnace body 2, and the slide block 704 is slidably connected to the second slide groove 705, so that when the expansion length between the first discharge pipe 701 and the second discharge pipe 702 is adjusted, the first discharge pipe 701 and the second discharge pipe 702 axially move relative to each other, and at this time, the slide block 704 slides in the second slide groove 705, thereby restricting the rotation between the first discharge pipe 701 and the second discharge pipe 702 and preventing the first discharge pipe 701 and the second discharge pipe 702 from being separated from each other.

As shown in fig. 1, 4 and 5, in addition to the above-mentioned embodiments, in a preferred embodiment, a rotating ring 706 is fixedly connected to the inner ring surface of one end of the third discharging pipe 703 connected to the second discharging pipe 702, a ring groove 707 is formed in the outer ring surface of one end of the second discharging pipe 702 connected to the third discharging pipe 703, the rotating ring 706 is rotatably connected to the ring groove 707, and the third discharging pipe 703 is rotated to rotate the rotating ring 706 in the ring groove 707, thereby adjusting the opening angle of the third discharging pipe 703.

Specifically, this useless direct current electric arc furnace of handling of solid danger is at during operation/when using: the motor 6412 is started to drive the transmission rod 6410 and the connecting plate 6409 to rotate, so that the shifting shaft 6408 rotates around the axis of the transmission rod 6410 to shift the connecting rod 6403 to move to drive the supporting ring 6401 to rotate, and further the rotary drum 63 rotates in the supporting ring 62, the shifting shaft 6408 slides in the first sliding groove 6404 to one end close to the rhombic frame 6406, when the shifting shaft 6408 enters the arc-shaped groove 6407, the connecting rod 6403 and the supporting ring 6401 stop rotating, that is, the rotary drum 63 stops rotating, and at this time, the two storage bins 66 respectively rotate to the positions of the two notches 65, so that the purposes of quantitative storage and material pouring are achieved;

the outlet of the third discharging pipe 703 can be adjusted to a position with a proper distance by adjusting the expansion length between the first discharging pipe 701 and the second discharging pipe 702, so that the liquid metal in the furnace body 2 is prevented from inconveniently flowing to a ladle with a certain distance, and the angle direction of the outlet of the third discharging pipe 703 can be adjusted by rotating and adjusting the angle between the second discharging pipe 702 and the third discharging pipe 703, so that the liquid metal is prevented from accidentally flowing out.

The above embodiments are only used to illustrate the present invention and not to limit the technical solutions described in the present invention, and although the present invention has been described in detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and therefore, any modification or equivalent replacement may be made to the present invention; all such modifications and variations are intended to be included herein within the scope of this disclosure and the present invention and protected by the following claims.

Claims

1. The utility model provides a useless direct current electric arc stove of handling of solid danger, includes direct current electric arc stove main part (1), its characterized in that, the front portion of direct current electric arc stove main part (1) is provided with stack (2), the upper end of stack (2) is provided with bell (3), the upper surface of bell (3) is provided with blast pipe (4), the lower extreme of direct current electric arc stove main part (1) is provided with base (5), the top of bell (3) is provided with quantitative feed mechanism, the front end of stack (2) is provided with adjustment mechanism (7).

2. The direct current electric arc furnace for solid risk waste treatment according to claim 1, wherein the quantitative feeding mechanism comprises a feeding hopper (61), a supporting ring (62) is fixedly connected to the lower end of the feeding hopper (61), the supporting ring (62) is fixedly connected above the furnace cover (3), a rotating drum (63) is rotatably connected to the supporting ring (62), and a driving mechanism (64) is arranged on the front side surface of the rotating drum (63).

3. The direct current arc furnace for solid risk waste treatment according to claim 2, wherein the supporting ring (62) is provided with a notch (65) at both upper and lower ends, and the outer ring surface of the rotating drum (63) is provided with four storage bins (66).

4. The direct-current electric arc furnace for solid hazardous waste treatment according to claim 3, wherein the driving mechanism (64) comprises a support ring (6401) and a mounting disc (6402), the support ring (6401) and the mounting disc (6402) are both coaxially and fixedly connected to the front side surface of the rotating drum (63), four connecting rods (6403) are fixedly connected between the support ring (6401) and the mounting disc (6402) in equal intervals, a first sliding groove (6404) is formed in the front side surface of each connecting rod (6403), an arc-shaped plate (6405) is arranged between every two adjacent connecting rods (6403), the arc-shaped plate (6405) is fixedly connected to the front side surface of the mounting disc (6402), a diamond-shaped frame (6406) is fixedly connected to the front side surface of the mounting disc (6402), and an arc-shaped groove (6407) is formed between each arc-shaped plate (6405) and the diamond-shaped frame (6406).

5. The direct current electric arc furnace for solid hazardous waste treatment according to claim 4, wherein a shifting shaft (6408) is inserted into the lower portion of the first chute (6404) at the lower end, a connecting plate (6409) is fixedly connected to the front side of the shifting shaft (6408), a transmission rod (6410) is fixedly connected to the front side of the upper end of the connecting plate (6409), a bracket (6411) is rotatably connected to the middle of the transmission rod (6410), the lower end of the bracket (6411) is fixedly connected to the upper surface of the furnace cover (3), a motor (6412) is fixedly connected to the front end of the transmission rod (6410), a heightening block (6413) is fixedly connected to the lower end of the motor (6412), and the heightening block (6413) is fixedly connected to the upper surface of the furnace cover (3).

6. The direct current electric arc furnace for solid risk waste treatment according to claim 5, wherein the adjusting mechanism (7) comprises a first discharging pipe (701), one end of the first discharging pipe (701) is fixedly connected to the front end of the furnace body (2), the other end of the first discharging pipe (701) is slidably connected with a second discharging pipe (702), and one end of the second discharging pipe (702) far away from the furnace body (2) is rotatably connected with a third discharging pipe (703).

7. The direct current electric arc furnace for treating solid risk waste according to claim 6, wherein a sliding block (704) is fixedly connected to the outer surface of the first discharging pipe (701) at the end far away from the furnace body (2), a second sliding groove (705) is axially formed in the end, close to the furnace body (2), of the second discharging pipe (702), and the sliding block (704) is slidably connected in the second sliding groove (705).

8. The direct current electric arc furnace for treating solid risk waste according to claim 7, wherein the third discharging pipe (703) is connected with the second discharging pipe (702) and has an inner ring surface fixedly connected with a rotating ring (706), the second discharging pipe (702) is connected with the third discharging pipe (703) and has an outer ring surface opened with a ring groove (707), and the rotating ring (706) is rotatably connected in the ring groove (707).