CN213021036U

CN213021036U - Electric arc furnace with smoke abatement falls device of making an uproar

Info

Publication number: CN213021036U
Application number: CN202021842884.2U
Authority: CN
Inventors: 程楠; 赵书芬; 陈嵩文; 陈柏霖; 翟艺展; 续康杰; 赵倩; 刘福建; 张海生
Original assignee: Zhengzhou Yude Metallurgical Materials Co ltd
Current assignee: Zhengzhou Yude Metallurgical Materials Co ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-04-20
Anticipated expiration: 2030-08-28

Abstract

The utility model relates to an electric arc furnace technical field especially relates to an electric arc furnace with smoke abatement falls device of making an uproar, the induction cooker comprises a cooker bod, the upper portion lid of furnace body is equipped with the bell, one side of furnace body is equipped with furnace gate and steel tapping channel, it is fixed with electrode and electrode holder centre gripping to insert to establish on the bell, one side welding of bell has support and negative pressure pump, the one end intercommunication of negative pressure pump has the collection petticoat pipe, the other end intercommunication of negative pressure pump has exhaust pipe and expands the tobacco pipe, one side intercommunication of smoke abatement box inner wall has spray set, the lower terminal surface of smoke abatement box has circulation cooling water tank through the outlet pipe intercommunication, circulation cooling water tank's output intercommunication has the drain pipe, and the one end of drain. The utility model discloses in, can effectually detach there are a large amount of smoke and dust in electric arc furnace work, and this device volume is less, the installation of being convenient for, the noise influence that brings when can reducing the device use, fine satisfied people's daily user demand.

Description

Electric arc furnace with smoke abatement falls device of making an uproar

Technical Field

The utility model relates to an electric arc furnace technical field especially relates to an electric arc furnace with smoke abatement falls device of making an uproar.

Background

The arc furnace is an electric furnace for smelting ores and metals at high temperature generated by utilizing electrode arc, the energy is concentrated when gas discharge forms the arc, the temperature of an arc zone is more than 3000 ℃, the arc furnace can be divided into a three-phase arc furnace, a consumable arc furnace, a single-phase arc furnace, a resistance arc furnace and other types according to the form of the arc, a furnace body of the arc steelmaking furnace comprises a furnace cover, a furnace door, a tapping groove and a furnace body, the furnace bottom and the furnace wall are built by alkaline refractory materials or acidic refractory materials, a large amount of smoke and dust exist in the working process of the arc furnace, the personal safety of operating personnel is harmed, and the environment can be polluted after the dust-containing gas is discharged, so the arc furnace with.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an electric arc furnace with a smoke and noise removing device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an electric arc furnace with smoke abatement falls device of making an uproar, the induction cooker comprises a cooker bod, the upper portion lid of furnace body is equipped with the bell, insert on the bell and establish and be fixed with the electrode, the up end of electrode extends to the outside of bell, the lower terminal surface of electrode extends to in the furnace body, the welding of one side of bell has the support, the up end of support is fixed with the negative pressure pump through the screw installation, the one end intercommunication of negative pressure pump has the collection petticoat pipe, the other end intercommunication of negative pressure pump has the pipe of discharging fume, the pipe of discharging fume extends to the inside of smoke abatement box, and the lower extreme intercommunication of the pipe of discharging fume has the smoke expansion pipe, one side intercommunication of smoke abatement box inner wall has spray set, the lower terminal surface intercommunication of smoke abatement box has the outlet pipe, and the lower terminal surface intercommunication of outlet pipe has the recirculated cooling.

Preferably, the outer side of the smoke expansion pipe is uniformly provided with smoke expansion holes, and the diameters of the smoke expansion holes are 0.8cm-1 cm.

Preferably, a slag filtering plate is horizontally welded on the lower side of the inner wall of the smoke removal box body.

Preferably, one side of the furnace body is provided with a furnace door, and the other side of the furnace body is provided with a steel tapping groove.

Preferably, the fume collecting hood is positioned above the tapping channel.

Preferably, the upper parts of the electrodes are clamped and fixed by an electrode clamp.

The utility model has the advantages that:

the utility model discloses in, the electric arc furnace that has the smoke abatement and fall the device of making an uproar when using, can effectually detach and have a large amount of smoke and dust in electric arc furnace work, and this device volume is less, is convenient for install, can reduce the noise influence that brings when the device uses, fine satisfied people's daily user demand.

Drawings

FIG. 1 is a schematic front view of an electric arc furnace with a smoke abatement and noise reduction apparatus according to the present invention;

fig. 2 is an enlarged view of a in fig. 1 of an electric arc furnace with a smoke abatement and noise reduction apparatus according to the present invention.

In the figure: 1 furnace body, 2 furnace covers, 3 furnace doors, 4 steel tapping grooves, 5 electrode holders, 6 electrodes, 7 supports, 8 negative pressure pumps, 9 smoke collecting covers, 101 smoke exhaust pipes, 102 water discharge pipes, 11 smoke removal box bodies, 12 smoke expansion pipes, 13 spray devices, 14 slag filtering plates and 15 circulating cooling water tanks.

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.

Referring to fig. 1-2, an electric arc furnace with a smoke abatement and noise reduction device comprises a furnace body 1, wherein an upper cover of the furnace body 1 is provided with a furnace cover 2, one side of the furnace body 1 is provided with a furnace door 3, the other side of the furnace body 1 is provided with a steel tapping channel 4, an electrode 6 is inserted and fixed on the furnace cover 2, the upper end surface of the electrode 6 extends to the outer side of the furnace cover 2, the upper parts of the electrodes 6 are clamped and fixed through an electrode clamp 5, the lower end surface of the electrode 6 extends into the furnace body 1, one side of the furnace cover 2 is welded with a support 7, the upper end surface of the support 7 is fixedly provided with a negative pressure pump 8 through a screw, one end of the negative pressure pump 8 is communicated with a smoke collection hood 9, and the smoke collection hood 9 is;

the other end of the negative pressure pump 8 is communicated with a smoke exhaust pipe 101, the smoke exhaust pipe 101 extends into the smoke exhaust box body 11, and a filter residue plate 14 is horizontally welded on the lower side of the inner wall of the smoke exhaust box body 11 and can be used for screening impurities in the sprayed water;

the lower end of the smoke exhaust pipe 101 is communicated with a smoke expansion pipe 12, smoke expansion holes are uniformly formed in the outer side of the smoke expansion pipe 12, and the diameter of each smoke expansion hole is 0.8cm-1cm, so that smoke dust can be better diffused, and subsequent spraying treatment is facilitated;

one side of the inner wall of the smoke abatement box body 11 is communicated with a spraying device 13, the lower end face of the smoke abatement box body 11 is communicated with a water outlet pipe, the lower end face of the water outlet pipe is communicated with a circulating cooling water tank 15, the output end of the circulating cooling water tank 15 is communicated with a water discharge pipe 102, and one end of the water discharge pipe 102 is communicated with one end of the spraying device 13.

In the embodiment, when the electric arc furnace with the smoke abatement and noise reduction device is used, an operator firstly opens the furnace door 3, pours the materials into the furnace body 1, then closes the furnace door 3, opens a power switch of the device, and the electrode 6 produces high-temperature smelting materials poured into the furnace body 1, and can produce a large amount of gas smoke during high-temperature smelting;

smoke is discharged from the steel tapping channel 4, a smoke collecting hood 9 is arranged right above the steel tapping channel 4, smoke is sucked into the smoke expanding pipe 12 from the smoke discharging pipe 101 by the negative pressure pump 8, the smoke expanding pipe 12 is sprayed and dusted by the spraying device 13, and the sprayed water enters the circulating cooling water tank 15 through the filter plate 14 to be recycled;

further, after the smelting is finished, an operator closes a power switch of the device and pours out the smelted molten steel from the steel tapping channel 4;

this electric arc furnace with smoke abatement falls device of making an uproar when using, can effectually detach and have a large amount of smoke and dust in electric arc furnace work, and this device volume is less, and the installation of being convenient for can reduce the noise influence that brings when the device uses, fine satisfied people's daily user demand.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The electric arc furnace with the smoke removing and noise reducing device comprises a furnace body (1) and is characterized in that an upper cover of the furnace body (1) is provided with a furnace cover (2), an electrode (6) is fixedly inserted into the furnace cover (2), the upper end face of the electrode (6) extends to the outer side of the furnace cover (2), the lower end face of the electrode (6) extends into the furnace body (1), a support (7) is welded on one side of the furnace cover (2), a negative pressure pump (8) is fixedly installed on the upper end face of the support (7) through a screw, one end of the negative pressure pump (8) is communicated with a smoke collecting hood (9), the other end of the negative pressure pump (8) is communicated with a smoke exhaust pipe (101), the smoke exhaust pipe (101) extends into the smoke removing box body (11), the lower end of the smoke exhaust pipe (101) is communicated with a smoke expanding pipe (12), one side of the inner wall of the smoke removing box body (11) is communicated with a spraying device (13), and, and the lower end face of the water outlet pipe is communicated with a circulating cooling water tank (15), the output end of the circulating cooling water tank (15) is communicated with a drain pipe (102), and one end of the drain pipe (102) is communicated with one end of the spraying device (13).

2. The electric arc furnace with the smoke abatement and noise reduction device of claim 1, wherein the smoke expansion holes are uniformly opened on the outer side of the smoke expansion pipe (12), and the diameter of the smoke expansion holes is 0.8cm-1 cm.

3. The electric arc furnace with the smoke abatement and noise reduction apparatus of claim 1, wherein a slag trap (14) is welded horizontally to the underside of the inner wall of the smoke abatement tank (11).

4. The electric arc furnace with a smoke abatement and noise reduction apparatus of claim 1, wherein one side of the furnace body (1) is provided with a furnace door (3) and the other side of the furnace body (1) is provided with a tap hole (4).

5. Electric arc furnace with smoke abatement and noise reduction apparatus according to claim 4, characterized in that the fume collecting hood (9) is located above the tapping spout (4).

6. The electric arc furnace with a smoke abatement and noise reduction apparatus of claim 1, wherein the upper portion of the electrode (6) is clamped and fixed by an electrode clamp (5).