CN210089416U

CN210089416U - Electric arc furnace flue arrangement and control structure

Info

Publication number: CN210089416U
Application number: CN201920116623.3U
Authority: CN
Inventors: 吕东翰
Original assignee: Fengcheng Qingchengzi Rongxin Magnesium Products Co Ltd
Current assignee: Fengcheng Qingchengzi Rongxin Magnesium Products Co Ltd
Priority date: 2019-01-23
Filing date: 2019-01-23
Publication date: 2020-02-18
Anticipated expiration: 2029-01-23

Abstract

The utility model discloses an electric arc furnace flue cloth accuse structure, including electric arc furnace, top one side of electric arc furnace is equipped with the trunk line of discharging fume, continuous feed arrangement runs through branch pipe A and branch pipe B with the kneck of feed inlet, mouth of pipe department rigid coupling is pressed close to the inside bottom of the trunk line of discharging fume has two water baffles, two water baffles form the water catch bowl. This electric arc furnace flue cloth accuse structure, the dust that produces when melting in the dust that produces when continuous feed arrangement carries and the electric arc furnace carries to the trunk line of discharging fume in through branch pipe A and branch pipe B, the feed inlet that adopts original continuous feed arrangement inhales receives and releases dirt and discharges fume, reduce thermal speed that gives off, the temperature in the furnace body has been guaranteed, can collect into the trunk line of discharging fume with the excessive smoke and dust of electric arc furnace when axial fan work assists the smoke and dust to flow, improve the air quality of work interval around the electric arc furnace.

Description

Electric arc furnace flue arrangement and control structure

Technical Field

The utility model relates to an electric arc furnace technical field specifically is an electric arc furnace flue cloth accuse structure.

Background

The electric furnace is an electric furnace for smelting ores and metals at high temperature generated by the electrode arc, and the electric furnace is an electric furnace for smelting ores and metals at high temperature generated by the electrode arc. The existing electric arc furnace is generally provided with a water-cooled flue dust removal system, the water-cooled flue dust removal system needs a set of water circulation pipelines, for example, the utility model patent with application number 201420789820.9, the electric arc furnace comprises an electric arc furnace cover and an electric arc furnace flue, the electric arc furnace cover is movably connected with an inlet of the electric arc furnace flue, a cooling water loop is arranged in the electric arc furnace cover, a cooling water spray gun is arranged in the electric arc furnace flue, and the cooling water spray gun is connected with a cooling water input pipeline and a compressed air input pipeline; the utility model discloses set up the cooling water spray gun in the electric arc furnace flue, directly spray the electric arc furnace flue with pressurized cooling water, utilize the cooling water cooling, utilize the cooling water to get rid of the smoke and dust simultaneously, nevertheless when the in-service use, the big footpath of setting is discharged fume and is managed directly to link the electric arc furnace and easily influence inside temperature to current electric arc furnace generally is equipped with continuous feed mechanism, its feed inlet and discharge fume and manage both influences the interior temperature of stove more.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric arc furnace flue cloth accuse structure 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: an electric arc furnace flue distribution control structure comprises an electric arc furnace, wherein a smoke exhaust main pipeline is arranged on one side of the top of the electric arc furnace, a feed inlet is arranged on one side of the electric arc furnace, a continuous feeding device is fixedly connected to the feed inlet, a branch pipe A and a branch pipe B are penetrated through the joint of the continuous feeding device and the feed inlet, the other ends of the branch pipe A and the branch pipe B are inserted into the pipe orifice position of the smoke exhaust main pipeline, an outer frame ring is fixedly connected to the pipe orifice position of the smoke exhaust main pipeline, an axial flow fan is fixedly connected to the inner side of the outer frame ring, two water baffles are fixedly connected to the inner bottom end of the smoke exhaust main pipeline close to the pipe orifice position and form a water collecting tank, a drainage pipe is fixedly connected to the bottom of the smoke exhaust main pipeline close to the water collecting tank, a water inlet pipe is fixedly connected to the outer wall of the smoke exhaust main pipeline at the top, the inside wall rigid coupling of water board has the water spout.

Preferably, branch pipe A and continuous feed arrangement set up perpendicularly, and branch pipe A runs through continuous feed arrangement's one end rigid coupling and has the horn mouth, branch pipe B runs through continuous feed arrangement's one end and bends the setting, the feed inlet department is located to branch pipe B's the department of bending nose end.

Preferably, the outlet ends of the branch pipe A and the branch pipe B penetrate through the outer frame ring and are inserted into the pipe orifice of the smoke exhaust main pipe.

Preferably, the water spray nozzle is a flat nozzle or an atomizing nozzle.

Compared with the prior art, the beneficial effects of the utility model are that: the electric arc furnace flue distribution control structure has the advantages that dust produced by the continuous feeding device during conveying and smoke produced by melting in the electric arc furnace are conveyed into the smoke exhaust main pipeline through the branch pipe A and the branch pipe B, the original feed inlet of the continuous feeding device is adopted for sucking, collecting and discharging the dust and smoke, the heat emission rate is reduced, the temperature in the furnace body is guaranteed, the axial flow fan works to assist the flow of the smoke and dust, meanwhile, the overflowing smoke and dust of the electric arc furnace can be collected into the smoke exhaust main pipeline, the air quality of the working interval around the electric arc furnace is improved, water is sprayed out through the water spray nozzle, and when water liquid contacts the smoke and dust in the smoke exhaust main pipeline, particles in, and carry out effectual cooling to the heat of smoke and dust through water liquid, spun water liquid is collected and is advanced the water catch bowl that two water baffles formed, is discharging sewage through drainage pipe, has prevented that the spill-over of sewage from influencing operational environment.

Drawings

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

FIG. 2 is a schematic view of the cross-sectional structure of the main smoke evacuation pipe of the present invention;

fig. 3 is the main pipe main line main view of discharging fume of the utility model.

In the figure: 1. the device comprises a main smoke discharge pipeline, 2, branch pipes A and 3, branch pipes B and 4, an electric arc furnace, 5, a continuous feeding device, 6, a feeding hole, 7, an outer frame ring, 8, an axial flow fan, 9, a water baffle, 10, a water inlet pipeline, 11, a drainage pipeline, 12, a water spray nozzle, 13 and a water equalizing plate.

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 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.

Referring to fig. 1-3, the present invention provides a technical solution: an electric arc furnace flue arrangement and control structure comprises an electric arc furnace 4, a main smoke exhaust pipeline 1 is arranged on one side of the top of the electric arc furnace 4, a feed inlet 6 is arranged on one side of the electric arc furnace 4, a continuous feeding device 5 is fixedly connected to the feed inlet 6, a branch pipe A and a branch pipe B penetrate through the joint of the continuous feeding device 5 and the feed inlet 6, the other ends of the branch pipe A and the branch pipe B are inserted into the pipe orifice of the main smoke exhaust pipeline 1, a branch pipe A2 is perpendicular to the continuous feeding device 5, a horn nozzle is fixedly connected to one end of the branch pipe A2 penetrating through the continuous feeding device 5, the branch pipe A2 is perpendicular, so that the electric arc furnace flue arrangement and control structure is mainly used for absorbing dust during transportation in the continuous feeding device 5, a branch pipe B3 penetrates through one end of the continuous feeding device 5 and is bent, the pipe orifice end of the bent part of the branch pipe B, axial flow fans are arranged in the branch pipe A and the branch pipe B respectively and used for enabling the branch pipe A and the branch pipe B to generate suction negative pressure and assisting dust and smoke to enter the branch pipe A2 and the branch pipe B3;

an outer frame ring 7 is fixedly connected to the pipe orifice of the main smoke exhaust pipe 1, an axial flow fan 8 is fixedly connected to the inner side of the outer frame ring 7, and the outlet ends of the branch pipe A2 and the branch pipe B3 penetrate through the outer frame ring 7 and are inserted into the pipe orifice of the main smoke exhaust pipe 1;

the main smoke exhaust pipeline 1 is opened and provided with the axial flow fan 8, so that smoke dust and dust sprayed from the branch pipes A and B are blown by wind power generated by the axial flow fan 8 to move to the other side, and the smoke dust overflowing from the electric arc furnace can be collected into the main smoke exhaust pipeline when the axial flow fan 8 works, so that the quality of a working interval around the electric arc furnace is improved;

the inside bottom of main pipe way 1 of discharging fume is pressed close to the firm connection of mouth of pipe department and is had two water baffles 9, two water baffles 9 form the water catch bowl, the firm connection of main pipe way 1 of discharging fume bottom pressing close to the water catch bowl has drainage pipe 11, the outer wall of main pipe way 1 of discharging fume is in the firm connection of water catch bowl top has inlet channel 10, one end that inlet channel 10 runs through main pipe way 1 of discharging fume is communicated with the water-equalizing plate 13 with main pipe way 1 looks rigid coupling of discharging fume, the inside wall rigid coupling of water-equalizing plate 13 has water spout 12, water spout 12 is the flat nozzle, increase the contact effect with smoke and dust when making water liquid spout by choosing;

the water source is connected to the other end of inlet channel 10, and water fills through inlet channel 10 and spouts through water spout 12 in soaking board 13, and the particulate matter in the gas filters when water liquid contacts the smoke and dust in main pipe 1 of discharging fume to carry out effectual cooling to the heat of smoke and dust through water liquid, spun water liquid is collected and is advanced in the water catch bowl that two water baffles 9 formed, is discharging sewage through drainage pipe 11.

The working principle is as follows: the dust generated during the transportation of the continuous feeding device 5 and the smoke generated during the melting in the electric arc furnace 4 are transported into the main smoke discharging pipeline 1 through the branch pipe A2 and the branch pipe B3, so that the wind power generated during the operation of the axial flow fan 8 blows the smoke and dust sprayed from the branch pipe A and the branch pipe B to move to the other side, and the axial flow fan 8 can collect the smoke and dust overflowing from the electric arc furnace into the main smoke exhaust pipeline when working, so as to improve the quality of the working area around the electric arc furnace, the other end of the water inlet pipeline 10 is connected with a water source, water is filled into the water equalizing plate 13 through the water inlet pipeline 10 and is sprayed out through the water spray nozzle 12, when the water contacts the smoke and dust in the main smoke exhaust pipeline 1, the particles in the gas are filtered, and the heat of the smoke dust is effectively cooled by water liquid, and the sprayed water liquid is collected into a water collecting tank formed by the two water baffles 9 and is discharged through a drainage pipeline 11.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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. The utility model provides an electric arc furnace flue cloth accuse structure, includes electric arc furnace (4), top one side of electric arc furnace (4) is equipped with main pipe (1) of discharging fume, one side of electric arc furnace (4) is equipped with feed inlet (6), feed inlet (6) department rigid coupling has continuous feed arrangement (5), its characterized in that: a branch pipe A and a branch pipe B penetrate through the joint of the continuous feeding device (5) and the feeding hole (6), the other ends of the branch pipe A and the branch pipe B are inserted in the pipe orifice position of the smoke exhaust main pipeline (1), the pipe orifice position of the smoke exhaust main pipeline (1) is fixedly connected with an outer frame ring (7), the inner side of the outer frame ring (7) is fixedly connected with an axial flow fan (8), two water baffles (9) are fixedly connected to the inner bottom end of the smoke exhaust main pipeline (1) close to the pipe orifice position, the two water baffles (9) form a water collecting tank, a drainage pipeline (11) is fixedly connected to the bottom of the smoke exhaust main pipeline (1) close to the water collecting tank position, a water inlet pipeline (10) is fixedly connected to the position, at the top of the water collecting tank, of the outer wall of the smoke exhaust main pipeline (1), one end, penetrating through the smoke exhaust main pipeline (1), of the water inlet pipeline, the inner side wall of the water distribution plate (13) is fixedly connected with a water spray nozzle (12).

2. The electric arc furnace flue distribution control structure of claim 1, wherein: branch pipe A (2) set up with continuous feed arrangement (5) is perpendicular, and the one end rigid coupling that branch pipe A (2) run through continuous feed arrangement (5) has the horn mouth, branch pipe B (3) run through the one end of continuous feed arrangement (5) and bend the setting, feed inlet (6) department is located to the department of bending nose of branch pipe B (3).

3. The electric arc furnace flue distribution control structure of claim 1, wherein: the outlet ends of the branch pipe A (2) and the branch pipe B (3) penetrate through the outer frame ring (7) and are inserted into the pipe orifice of the main smoke exhaust pipe (1).

4. The electric arc furnace flue distribution control structure of claim 1, wherein: the water spray nozzle (12) is a flat nozzle or an atomizing nozzle.