CN213021018U - Electrode mounting structure of submerged arc furnace - Google Patents
Electrode mounting structure of submerged arc furnace Download PDFInfo
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- CN213021018U CN213021018U CN202021607114.XU CN202021607114U CN213021018U CN 213021018 U CN213021018 U CN 213021018U CN 202021607114 U CN202021607114 U CN 202021607114U CN 213021018 U CN213021018 U CN 213021018U
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Abstract
The utility model provides an electrode mounting structure of hot stove in ore deposit, including the furnace body, distribute and run through on the lateral wall of furnace body and be provided with the electrode, the electrode is to scalable removal setting in the furnace body. The utility model sets the electrodes on the side wall of the furnace body into a telescopic type, can adjust the distance between the electrodes on the two side walls, adjust the submerged arc electric heating between the electrodes on the two sides and improve the utilization efficiency of the electrodes, and simultaneously, after the front end of the electrode consumes the loss, the electrode moves the corresponding length in the submerged arc furnace, thereby compensating the loss of the electrode and ensuring the stability of the production efficiency; a plurality of electrodes are distributed on the horizontally arranged strip-shaped submerged arc furnace, so that the production efficiency of the submerged arc furnace is improved; the top surface of the submerged arc furnace is set into a cambered surface, so that gas in the submerged arc furnace can be conveniently collected, and meanwhile, the submerged arc furnace is horizontally arranged, so that materials can be conveniently added into the submerged arc furnace; the utility model has the advantages of scientific and reasonable structural design, the electrode high-usage, submerged arc electric heat's strong controllability in the submerged arc furnace.
Description
Technical Field
The utility model relates to a carbide or ferroalloy production technical field, concretely relates to electrode mounting structure of hot stove in ore deposit.
Background
The submerged arc furnace is a main equipment for producing electrochemical finished products, and is mainly used for heating materials (such as quicklime, carbon materials and the like) in the furnace through submerged arc electric heating of electrodes and resistance electric heating of the materials so as to enable the materials to generate chemical reaction to prepare the electrochemical finished products (such as calcium carbide and iron alloy).
The utility model discloses a system for production carbide is disclosed to chinese utility model patent that bulletin number is CN206783327U, including the lime kiln, blue charcoal drying device, mixing bunker and submerged arc furnace, the submerged arc furnace includes the furnace body and vertically inserts the three-phase electrode of locating in the furnace body, the inner chamber of furnace body forms carbide production space, when producing the carbide, comparatively ideal operating mode is that the temperature in carbide production space progressively reduces from bottom to top (forms stable furnace charge layer environment), carbide production space is divided into material layer district from top to bottom in proper order, heat layer district and reaction zone, material layer district is the preheating zone of furnace charge, the reaction zone is the region that the reaction generated the carbide for the furnace charge, heat layer district is the interdiffusion layer of calcium oxide and charcoal material. The stable furnace burden layer environment is maintained, the production, quality and consumption of calcium carbide can be optimized, and the benefit maximization of the calcium carbide is facilitated.
Application number 201711102747.8 relates to a calcium carbide strengthening smelting method and a system thereof, wherein the system for realizing the calcium carbide strengthening smelting method comprises an oxygen composite electrode and a submerged arc furnace, wherein the oxygen composite electrode comprises a hollow electrode and an oxygen pipe arranged in the hollow electrode; the submerged arc furnace comprises a furnace body and a furnace cover arranged on the furnace body, wherein the furnace cover is provided with a mounting hole for mounting the oxygen composite electrode; the bottom of the furnace body is provided with a calcium carbide liquid outlet; the oxygen composite electrode penetrates through the mounting hole and extends into the furnace body, and the oxygen composite electrode can move up and down. In the whole smelting process, the oxygen composite electrode is always inserted into the mixed material, and the electrode can only adjust the depth of the electrode inserted into the mixed material.
In the actual production process of carbide, because of the compounding inequality, electrode working length is short partially or the electrode can not go deep into the stove for a long time, can make the branch circuit electric current of charging floor region too big, the stable environment of furnace bed layer suffers destruction, and this can cause the charging floor region because of overheated caking, leads to the charging surface gas permeability poor, makes gas accumulation in the ore smelting stove, and the molten bath internal pressure risees, and when pressure risees to the critical point, the gas is mingled with red material and semi-manufactured goods material and is spout fast in the stove, produces ore smelting stove and collapses the material phenomenon promptly. The high-temperature gas wave shock wave generated in the moment of ore-smelting furnace material collapse can burn cooling equipment and calcium carbide equipment of the ore-smelting furnace, and meanwhile, great danger is brought to feeding surface operators. The application number CN201920582546.0 discloses a submerged arc furnace and a high-efficiency energy-saving calcium carbide production system, which comprises a furnace body, wherein the furnace body comprises a side wall and a bottom wall; at least the lower part of the side wall is provided with an electrode; and/or electrodes are arranged on the side walls, and one part of the electrodes extends to the lower parts of the side walls; the electrodes are direct current electrodes arranged in pairs to be able to generate a heating arc, or the electrodes are alternating current electrodes arranged in groups to be able to generate a heating arc, or one part of the electrodes are direct current electrodes and the other part are alternating current electrodes arranged in pairs to be able to generate a heating arc, respectively. Through the electrode that sets up on the lateral wall of furnace body, directly carry out submerged arc electric heat and resistance electric heat to the furnace charge of whereabouts, the furnace charge on upper strata does not receive branch road current's influence, can guarantee that the furnace charge layer is by supreme stable furnace charge layer environment that the formation temperature reduces gradually down, and then promote stable, safe, the high-efficient production of carbide. Meanwhile, the furnace burden is positioned between the paired electrode ends, and compared with an electrode group vertically inserted into the furnace body, the working area of the electrode can be more efficiently utilized, the ineffective heat loss of the electrode is reduced, and the utilization efficiency of the electrode is improved. But the inner end part of the electrode can be damaged in the using process, so that the electric heating efficiency between the electrodes is reduced, and the production efficiency of the submerged arc furnace is reduced.
In addition, the electrode of present vertical setting in the ore furnace, the frame kiln easily appears in the middle part of the inherent electrode of furnace body, needs the workman to utilize the body of rod to smash the frame kiln this moment and leads to, and high temperature gas spouts easily causes the incident when smashing the frame kiln, and the security is poor.
SUMMERY OF THE UTILITY MODEL
To the problem among the prior art, the utility model provides an electrode mounting structure of hot stove in ore deposit.
The utility model provides an electrode mounting structure of hot stove in ore deposit, includes the furnace body distribute on the lateral wall of furnace body and run through and be provided with the electrode, the electrode to scalable removal setting in the furnace body.
In order to realize the conductivity of the electrode and the insulation between the electrode and the side wall, the method further comprises the following steps: the electrode structure is characterized in that a copper sleeve is arranged between the electrode and the side wall, the copper sleeve is fixedly sleeved on the electrode, an insulating sleeve is arranged between the copper sleeve and the side wall, an inner ring of the insulating sleeve is in sliding fit with the copper sleeve, and the outer end of the insulating sleeve is fixedly connected with the side wall.
Further comprises the following steps: the insulating sleeve is made of ceramic or organic silicon mica.
Further comprises the following steps: the furnace body is a horizontally arranged strip, the top edge of the longitudinal section of the furnace body is in an outer arc shape, the side edges and the bottom edge of the left side and the right side of the longitudinal section are straight lines, and a discharge hole is formed in one end face of the furnace body.
Further comprises the following steps: the electrodes are arranged on the left side wall and the right side wall of the furnace body, and the electrodes positioned on the left side wall and the right side wall are in one-to-one correspondence and positioned on the same axis.
Further comprises the following steps: the electrodes are arranged on the left side wall and the right side wall of the furnace body, and the electrodes positioned on the left side wall and the right side wall are arranged in a staggered mode.
Further comprises the following steps: and a feeding port and a degassing port are distributed in the middle of the top wall of the furnace body along the length direction of the furnace body.
Further comprises the following steps: the cross section of the electrode is circular, rectangular or polygonal.
Further comprises the following steps: the electrodes are arranged horizontally.
The utility model has the advantages that: the utility model sets the electrodes on the side wall of the furnace body into a telescopic type, can adjust the distance between the electrodes on the two side walls, adjust the submerged arc electric heating between the electrodes on the two sides and improve the utilization efficiency of the electrodes, and simultaneously, after the front end of the electrode consumes the loss, the electrode moves the corresponding length in the submerged arc furnace, thereby compensating the loss of the electrode and ensuring the stability of the production efficiency; a plurality of electrodes are distributed on the horizontally arranged strip-shaped submerged arc furnace, so that the production efficiency of the submerged arc furnace is improved; the top surface of the submerged arc furnace is set into a cambered surface, so that gas in the submerged arc furnace can be conveniently collected, and meanwhile, the submerged arc furnace is horizontally arranged, so that materials can be conveniently added into the submerged arc furnace; the horizontally arranged electrode heating area has no layering phenomenon, so that the kiln erection is avoided, and safety accidents are avoided; the utility model has the advantages of scientific and reasonable structural design, the electrode high-usage, submerged arc electric heat's strong controllability in the submerged arc furnace.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic sectional view of the present invention.
In the figure, 1, a furnace body; 11. a feed inlet; 2. an electrode; 21. a copper sleeve; 22. an insulating sleeve; 3. a mobile device.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings. Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention. It should be noted that the terms of orientation such as left, middle, right, up and down in the examples of the present invention are only relative to each other or are referred to the normal use status of the product, and should not be considered as limiting.
The first embodiment: an electrode mounting structure of a submerged arc furnace is shown in figures 1 and 2 and comprises a furnace body 1, electrodes 2 are distributed on the side wall of the furnace body 1 and penetrate through the side wall of the furnace body, the electrodes 2 are arranged in the furnace body 1 in a telescopic and movable mode, and the cross sections of the electrodes 2 are circular, rectangular or polygonal.
A copper sleeve 21 is arranged between the electrode 2 and the side wall, the copper sleeve 21 is fixedly sleeved on the electrode 2, an insulating sleeve 22 is arranged between the copper sleeve 21 and the side wall, an inner ring of the insulating sleeve 22 is in sliding fit with the copper sleeve 21, and the outer end of the insulating sleeve 22 is fixedly connected with the side wall; the insulating sleeve 22 is made of ceramic or organic silicon mica.
The furnace body 1 is a horizontally arranged strip shape, the top edge of the longitudinal section of the furnace body 1 is in an outer arc shape, the side edges and the bottom edge of the left side and the right side of the longitudinal section are straight lines, a discharge hole is formed in one end face of the furnace body 1, and a feeding hole 11 and a degassing hole are distributed in the middle of the top wall of the furnace body 1 and along the length direction of the top wall. The electrodes 2 are arranged on the left side wall and the right side wall of the furnace body 1, and the electrodes 2 positioned on the left side wall and the right side wall are in one-to-one correspondence and positioned on the same axis.
In addition, the electrode 2 is horizontally arranged, and the electrode 2 can be vertically arranged with the side wall of the furnace body 1, or the electrode 2 is obliquely arranged towards one end of the furnace body.
Second embodiment: other technical characteristics are that under the same condition as the first embodiment, the electrodes 2 are arranged on the left and right side walls of the furnace body 1, and the electrodes 2 on the left and right side walls are arranged in a staggered manner.
The utility model discloses a theory of operation: the mixed material is added into the submerged arc furnace through a feed inlet above the submerged arc furnace, submerged arc electric heat is generated between electrodes on two opposite sides of the submerged arc furnace, so that the mixed material reacts to generate liquid calcium carbide, and the liquid calcium carbide flows into a calcium carbide mould from a discharge outlet at one end of the submerged arc furnace for forming. Meanwhile, after the submerged arc furnace is generated for a period of time and the end part of the inner end of the electrode is consumed and lost, the electrode is moved for a certain distance into the submerged arc furnace, so that the reduction of electric heat caused by the electrode loss is eliminated.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides an electrode mounting structure of hot stove in ore deposit which characterized in that: the furnace comprises a furnace body, wherein electrodes are distributed on the side wall of the furnace body and penetrate through the side wall of the furnace body, and the electrodes are arranged in the furnace body in a telescopic and movable manner; the electrode structure is characterized in that a copper sleeve is arranged between the electrode and the side wall, the copper sleeve is fixedly sleeved on the electrode, an insulating sleeve is arranged between the copper sleeve and the side wall, an inner ring of the insulating sleeve is in sliding fit with the copper sleeve, and the outer end of the insulating sleeve is fixedly connected with the side wall.
2. The electrode mounting structure for a submerged arc furnace as set forth in claim 1, wherein: the insulating sleeve is made of ceramic or organic silicon mica.
3. The electrode mounting structure for a submerged arc furnace as set forth in claim 1, wherein: the cross section of the electrode is circular, rectangular or polygonal.
4. The electrode mounting structure for a submerged arc furnace as set forth in claim 1, wherein: the electrodes are arranged horizontally.
5. The electrode mounting structure for a submerged arc furnace as set forth in claim 1, wherein: and a feeding port and a degassing port are distributed in the middle of the top wall of the furnace body along the length direction of the furnace body.
6. The electrode mounting structure for a submerged arc furnace as set forth in claim 1, wherein: the furnace body is a horizontally arranged strip, the top edge of the longitudinal section of the furnace body is in an outer arc shape, the side edges and the bottom edge of the left side and the right side of the longitudinal section are straight lines, and a discharge hole is formed in one end face of the furnace body.
7. The electrode mounting structure for a submerged arc furnace as set forth in claim 6, wherein: the electrodes are arranged on the left side wall and the right side wall of the furnace body, and the electrodes positioned on the left side wall and the right side wall are in one-to-one correspondence and positioned on the same axis.
8. The electrode mounting structure for a submerged arc furnace as set forth in claim 6, wherein: the electrodes are arranged on the left side wall and the right side wall of the furnace body, and the electrodes positioned on the left side wall and the right side wall are arranged in a staggered mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021607114.XU CN213021018U (en) | 2020-08-05 | 2020-08-05 | Electrode mounting structure of submerged arc furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021607114.XU CN213021018U (en) | 2020-08-05 | 2020-08-05 | Electrode mounting structure of submerged arc furnace |
Publications (1)
| Publication Number | Publication Date |
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| CN213021018U true CN213021018U (en) | 2021-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021607114.XU Active CN213021018U (en) | 2020-08-05 | 2020-08-05 | Electrode mounting structure of submerged arc furnace |
Country Status (1)
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|---|---|
| CN (1) | CN213021018U (en) |
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2020
- 2020-08-05 CN CN202021607114.XU patent/CN213021018U/en active Active
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