CN115307445A

CN115307445A - Submerged arc furnace smelting short network system and energy-saving submerged arc furnace smelting device

Info

Publication number: CN115307445A
Application number: CN202210920348.7A
Authority: CN
Inventors: 晁贵平; 宋学宏
Original assignee: Ningxia Zhongwei Yinhe Smelting Co ltd
Current assignee: Ningxia Zhongwei Yinhe Smelting Co ltd
Priority date: 2022-08-02
Filing date: 2022-08-02
Publication date: 2022-11-08
Anticipated expiration: 2042-08-02
Also published as: CN115307445B

Abstract

The embodiment of the application provides a submerged arc furnace smelting short net system and an energy-saving submerged arc furnace smelting device, and relates to the technical field of submerged arc furnace processing. Comprises a submerged arc furnace main body and an electrode holder main body; the top of the hot stove main part in ore deposit is provided with the bell, the feeding frame is all installed to the hot stove main part left and right sides in ore deposit, the left side intercommunication of the hot stove main part inner wall in ore deposit has the discharging pipe that is used for discharging the slay, the discharge opening that is used for the discharge to smelt the completion metal is offered on the right side of the hot stove main part inner wall in ore deposit. According to the submerged arc furnace smelting short net system and the energy-saving submerged arc furnace smelting device, the energy-saving submerged arc furnace smelting device can achieve the overall energy-saving effect by reducing the smelting time and increasing the overall smelting efficiency, the overall smelting efficiency with lower energy consumption and better work is guaranteed, and fine filtering of mineral smelting can be realized according to needs, so that finished products are better, and the practicability of the device is effectively improved.

Description

Submerged arc furnace smelting short network system and energy-saving submerged arc furnace smelting device

Technical Field

The application relates to the technical field of submerged arc furnace smelting, in particular to a submerged arc furnace smelting short net system and an energy-saving submerged arc furnace smelting device.

Background

The submerged arc furnace is mainly used for reducing and smelting ores, carbonaceous reducing agents, solvents and other raw materials. Also known as arc or resistance furnaces. It is mainly used for producing important industrial raw materials in metallurgical industry such as ferrosilicon, ferromanganese, ferrochromium, ferrotungsten, silicomanganese and the like, and chemical raw materials such as calcium carbide and the like.

The submerged arc furnace features that refractory material is used as furnace lining, self-setting electrode is used and inserted into furnace material to perform submerged arc operation, and the energy and current of arc are used to pass through the furnace material, so generating energy due to the resistance of furnace material to smelt metal, and the furnace is fed continuously.

The basic task of submerged arc furnace production is to extract prions such as metals from ores or oxides, the chemical reaction in the submerged arc furnace production process is mainly the reduction reaction of the oxides, and the basic principle of submerged arc furnace production with the oxidation reaction of elements is based on the thermodynamics of selective oxidation-reduction reaction, and the essence of the submerged arc furnace production is that the oxides of required elements react with reducing agents to generate the oxides of the required elements and the main elements in the reducing agents.

The short net is a part between a secondary wire outlet end of the submerged arc furnace transformer and a vertical copper pipe of the submerged arc furnace, is a general name of an electric conductor in a high-current closed loop at the low-voltage side of the submerged arc furnace transformer, is used as a key component in submerged arc furnace smelting, is mainly used for carrying current for conducting electricity, and transmits low voltage and high current to an electrode control vertical pipe and a copper tile.

Present hot stove short network system in ore deposit is at short network transmission of electricity in-process, whole circuit is longer, the electrical loss is big, comparatively extravagant resource, and hot stove in ore deposit at present when the first start-up, the motor is held the ware and is required very big electric current, and after the metal contact certain time that needs smelt, just can do work and smelt, inside temperature slowly rises, the time that needs consume is longer, the energy that needs to use is more, and the contact area of electrode holder and ore is less, reaction time is longer, the separation slay still can take out unnecessary material of having smelted, cause the energy, waste on the material.

Disclosure of Invention

The present application is directed to solving at least one of the problems in the prior art. Therefore, the application provides a submerged arc furnace smelting short net system and an energy-saving submerged arc furnace smelting device, which can improve smelting efficiency, reduce a large amount of energy lost when the submerged arc furnace is started for the first time, and form a certain energy-saving effect.

The energy-saving submerged arc furnace smelting device comprises a submerged arc furnace main body and an electrode holder main body;

the top of the submerged arc furnace main body is provided with a furnace cover, the left side and the right side of the submerged arc furnace main body are both provided with feeding frames, the left side of the inner wall of the submerged arc furnace main body is communicated with a discharge pipe for discharging slag, the right side of the inner wall of the submerged arc furnace main body is provided with a discharge hole for discharging smelting-finished metal, and a valve is arranged in the discharge hole;

the number of the electrode holder main bodies is three, the bottom ends of the two electrode holder main bodies penetrate through the furnace cover and extend into the submerged arc furnace main body, and the bottom end of the electrode holder main body is provided with an electric arc output end for releasing electric arcs;

the arc furnace comprises a submerged arc furnace main body and an electrode holder, wherein the interior of the submerged arc furnace main body is connected with an auxiliary smelting assembly in a sliding mode, and the auxiliary smelting assembly is used for increasing the arc release efficiency of the electrode holder main body.

According to the hot stove smelting device in energy-saving ore deposit of this application embodiment, the support frame is installed to the bottom of the hot stove main part in ore deposit, install servo motor on the support frame, servo motor's output shaft passes through shaft coupling fixedly connected with screw thread dwang, the top threaded connection of screw thread dwang has screw thread lifting sleeve, screw thread lifting sleeve's top runs through support frame, the hot stove main part in ore deposit in proper order and with the supplementary bottom fixed connection who smelts the subassembly.

According to the hot stove smelting device in energy-saving ore deposit of this application embodiment, screw thread lifting sleeve and the hot stove main part sliding connection in ore deposit, and the slip position of screw thread lifting sleeve and the hot stove main part in ore deposit is provided with the sealing ring, the inside of the hot stove main part in ore deposit is coiled there is the annular heater strip that is used for preheating the furnace body.

According to the energy-saving submerged arc furnace smelting device provided by the embodiment of the application, the auxiliary smelting assembly comprises an extension rod, a filter screen plate, a positioning sleeve and a sliding sleeve;

the three positioning sleeves and the three sliding sleeves are all sleeved on the surface of the adjacent electrode holder main body, the bottoms of the three positioning sleeves penetrate through the filter screen plate and are fixedly connected with the bottom of the inner wall of the submerged arc furnace main body, the three sliding sleeves are all sleeved on the surface of the adjacent positioning sleeves, and the bottoms of the three sliding sleeves are all fixedly connected with the top of the filter screen plate;

a plurality of evenly distributed extension rods are installed on the sliding sleeve.

According to the hot stove smelting device in energy-saving ore deposit of this application embodiment, supplementary subassembly of smelting still includes spacing slider, spacing spout has been seted up to the inside of the hot stove main part in ore deposit, spacing spout, spacing slider all have a plurality ofly, and are a plurality of spacing slider's one end all with filter plate fixed connection, and a plurality of spacing slider's the other end all with spacing spout sliding connection.

According to the hot stove smelting device in energy-saving ore deposit of this application embodiment, the discharge pipe is kept away from installing of hot stove main part inner wall in ore deposit and is strained the subassembly, the bottom of straining the subassembly is fixed mutually with the top of feeding frame.

According to the energy-saving submerged arc furnace smelting device provided by the embodiment of the application, the fine filtering component comprises a fine filtering box, a sealing cover plate, a collecting box, a sliding bin, a supporting block, a fine filtering net and a fine filtering conveying pipe;

the sealing cover plates are fixed on the front face of the fine filtering box through screws, three fine filtering nets are arranged, supporting blocks are clamped on the left side and the right side of each fine filtering net, the supporting blocks are fixedly connected with the inner wall of the fine filtering box, and the front face of the sliding bin is connected with a collecting box in a sliding mode;

one end of the fine filtering box is communicated with the bottom end of the discharging pipe, and the other end of the fine filtering box penetrates through the sliding bin and is communicated with the collecting box.

According to the hot stove smelting device in energy-saving ore deposit of this application embodiment, the equal fixed mounting in the left and right sides of the hot stove main part inner wall in ore deposit has the support frame, two the top of support frame output lever all with the bottom fixed connection of bell.

According to the hot stove smelting short net system in ore deposit and the hot stove smelting device in energy-saving ore deposit of this application embodiment, it is three the equal fixed mounting in surface of electrode holder main part has the electrically conductive copper pipe joint of electrode holder, and three the electrically conductive copper pipe joint of electrode holder communicates each other, and is three all the intercommunication has a plurality of cable pipes on the electrically conductive copper pipe joint of electrode holder, and is a plurality of the one end that the electrically conductive copper pipe joint of electrode holder was kept away from to the cable pipe all is connected with the water-cooling compensator, and is a plurality of the one end that the cable pipe was kept away from to the water-cooling compensator all is connected with the transformer output end, and is a plurality of the one end that the transformer output end kept away from the water-cooling compensator all is connected with the smelting transformer.

According to the submerged arc furnace smelting short net system and the energy-saving submerged arc furnace smelting device, the cable pipes are arranged in a pagoda-shaped array from top to bottom.

The invention has the beneficial effects that:

1. the device wholly can utilize the hot stove main part in ore deposit as the main part, utilize the support frame to support the device's bottom, the cooperation bell, the feeding frame carries out the packing of material, the cooperation discharging pipe, the discharge opening, the supply of mineral and mineral after the electrode holder main part is smelted can be realized to valve and the solenoid valve of installing in the discharge opening, impurity's reposition of redundant personnel, the basic function that the hot stove in ore deposit was smelted has been realized, and on this basis, it has annular heater strip to increase, annular heater strip can form a surrounding direct heating effect, this kind of direct heating effect can not directly reach the temperature that the hot stove in ore deposit needs, but can carry out an effectual effect of preheating before the hot stove in ore deposit for electrode holder main part work is smelted, and annular heater strip can preheat in advance or when reinforced through the feeding frame, the smelt time of electrode holder main part can be shortened effectively, energy consumption is reduced, the whole work efficiency of smelting metal of the device has been increased.

2. The device is provided with supplementary smelting subassembly and can improves the electric arc smelting work of own of electrode holder main part, when not disturbing the electric arc output end work in the electrode holder main part, when the whole furnace body of electric arc output end heating is smelted, can obtain through the extension rod with the bigger area of contact of mineral material, three electric arc output end cooperation extension rods, the position sleeve, sliding sleeve can be far above the mutual doing work between the three electric arc output end alone, the electrode holder main part has been improved effectively, the efficiency of electric arc output end smelting mineral, shorten the smelting time, reduce the smelting time when realizing same power output, and then increase holistic smelting efficiency, realize certain energy-conserving effect.

3. The device is provided with servo motor, the screw thread dwang, screw thread lifting sleeve and sealing ring, the sealing ring can guarantee that screw thread lifting sleeve is ascending, under the condition that can not the weeping when descending, the screw thread dwang can drive the filter plate through screw thread lifting sleeve and rise or descend this moment, with supplementary smelting subassembly cooperation keep the central point of mineral material all the time put to be in the shortest distance from the electric arc output end that corresponds, even the efficiency of electric arc output end can be the performance in the at utmost give the material, reduce the smelting time promptly and reach energy-conserving effect.

4. The device is provided with two discharge ports of discharging pipe and discharge opening, and the bottom of discharging pipe is connected with the essence and strains the subassembly, can further refine the liquid mineral raw materials of filtration through the essence subassembly, multilayer and the fine filtration net that successive layer mesh becomes dense can further filtration liquid mineral raw materials effectively, and finally put in the collection box in the sliding chamber, can set up heating structure in the sliding chamber and keep the temperature, also can in time take out the collection box and send other equipment work, and the collection box, sliding chamber can directly change into a conveyer pipe, directly link to each other with other equipment that need the liquid mineral after the essence to be strained.

5. The device adopts smelting transformer, transformer output end, water-cooling compensator, cable pipe and electrode holder conductive copper pipe connector to supply energy for electrode holder main part, finally the electric energy is sent to the electrode holder main part through the electrode holder conductive copper pipe connector, in this process, different from the traditional scheme, the traditional conductive copper pipe is cancelled, the position of the smelting transformer and electrode holder conductive copper pipe connector is reduced, the distance between the smelting transformer and the electrode holder conductive copper pipe connector is shortened as much as possible under the condition that the smelting transformer and the electrode holder conductive copper pipe connector cannot be too close, namely the length of the cable pipe is shortened, and the impedance of the short net is reduced.

To summarize: the device will be can the hot stove in ore deposit of energy saving smelt short network system and the hot stove in energy-saving ore deposit and smelt the device and combine together, it can reduce the energy loss energy saving to smelt short network system, and the hot stove in energy-saving ore deposit is inside can through reducing the smelting time, increase holistic smelting efficiency and reached holistic energy-conserving effect, it can be with lower energy loss and better work smelting efficiency to have guaranteed wholly, and can also realize the essence of mineral smelting as required and strain, make the finished product better, the practicality of device has been improved effectively.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.

FIG. 1 is a schematic perspective view of a first view angle of an energy-saving submerged arc furnace smelting device according to an embodiment of the application;

FIG. 2 is a schematic perspective view of a second view angle of the smelting device of the energy-saving submerged arc furnace according to the embodiment of the application;

FIG. 3 is a schematic perspective view of a third view angle of an energy-saving submerged arc furnace smelting device according to an embodiment of the application;

FIG. 4 is a schematic sectional front view of a main body of a submerged arc furnace according to an embodiment of the present application;

FIG. 5 is a schematic front view of a short-net smelting furnace system according to an embodiment of the application;

FIG. 6 is a schematic top cross-sectional view of a screen panel according to an embodiment of the present application;

FIG. 7 is a schematic sectional front view of a fine filtering box according to an embodiment of the present application;

FIG. 8 is an enlarged schematic view of FIG. 4 at A according to an embodiment of the present application;

FIG. 9 is an enlarged schematic view of FIG. 5 at B according to an embodiment of the present application;

fig. 10 is a side sectional view of a cable tube according to an embodiment of the present application.

Icon:

1. a submerged arc furnace main body; 11. a furnace cover; 12. a discharge pipe; 13. a servo motor; 14. a feeding frame; 15. a threaded rotating rod; 16. a threaded lifting sleeve; 17. a ring-shaped heating wire; 18. a seal ring; 19. a support frame; 2. an electrode holder main body; 21. an arc output tip; 22. the electrode holder is electrically conductive copper pipe joint; 23. smelting a transformer; 24. an output end of the transformer; 25. a water-cooled compensator; 26. a cable duct; 3. an auxiliary smelting component; 31. an extension rod; 32. a filter screen plate; 33. positioning the sleeve; 34. a sliding sleeve; 35. a limiting chute; 36. a limiting slide block; 4. a fine filter assembly; 41. a fine filter box; 42. sealing the cover plate; 43. a collection box; 44. a sliding bin; 45. a support block; 46. fine filtering net; 47. a fine filtration conveying pipe; 5. a discharge hole; 51. and (4) a valve.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making creative efforts shall fall within the protection scope of the present application.

Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

The submerged arc furnace smelting short net system and the energy-saving submerged arc furnace smelting device according to the embodiment of the application are described below with reference to the attached drawings.

In the case of the embodiment A, the following examples,

as shown in fig. 1-4 and 6-8, an energy-saving submerged arc furnace smelting device according to an embodiment of the application comprises: the submerged arc furnace comprises a submerged arc furnace main body 1 and an electrode holder main body 2;

the top of the submerged arc furnace main body 1 is provided with a furnace cover 11, the left side and the right side of the submerged arc furnace main body 1 are both provided with feeding frames 14, the left side of the inner wall of the submerged arc furnace main body 1 is communicated with a discharge pipe 12 for discharging slag, the right side of the inner wall of the submerged arc furnace main body 1 is provided with a discharge hole 5 for discharging smelted metal, and a valve 51 is arranged in the discharge hole 5;

the number of the electrode holder main bodies 2 is three, the bottom ends of the two electrode holder main bodies 2 penetrate through the furnace cover 11 and extend into the submerged arc furnace main body 1, and the bottom end of the electrode holder main body 2 is provided with an electric arc output end 21 for releasing electric arcs;

wherein, the interior of the submerged arc furnace main body 1 is connected with an auxiliary smelting component 3 which is used for increasing the arc discharge efficiency of the electrode holder main body 2 in a sliding way.

According to some embodiments of the application, support frame 19 is installed to the bottom of hot stove main part 1 in ore deposit, installs servo motor 13 on the support frame 19, and servo motor 13's output shaft passes through shaft coupling fixedly connected with screw dwang 15, and the top threaded connection of screw dwang 15 has screw thread lifting sleeve 16, and screw thread lifting sleeve 16's top runs through support frame 19, hot stove main part 1 in ore deposit in proper order and with supplementary bottom fixed connection who smelts subassembly 3.

According to some embodiments of the application, the thread lifting sleeve 16 is slidably connected with the submerged arc furnace main body 1, a sealing ring 18 is arranged at the sliding position of the thread lifting sleeve 16 and the submerged arc furnace main body 1, and a ring-shaped heating wire 17 for preheating a furnace body is coiled inside the submerged arc furnace main body 1.

Can utilize hot stove main part 1 in ore deposit as the main part, utilize support frame 19 to support the device's bottom, cooperation bell 11, feed frame 14 carries out the packing of material, cooperation discharging pipe 12, discharge opening 5, the supply of mineral and through the interior solenoid valve of discharging pipe 12 can be realized to valve 51 and install mineral after electrode holder main part 2 smelts, the reposition of redundant personnel of impurity, the basic function of hot stove smelting in ore deposit has been realized, and on this basis, annular heater strip 17 has been increased, annular heater strip 17 can form the direct heating effect of a surrounding nature, this kind of direct heating effect can not directly reach the temperature that the hot stove in ore deposit needs, but carry out an effectual effect of preheating before the hot stove in ore deposit for electrode holder main part 2 work smelting, and annular heater strip 17 can preheat in advance or when reinforced through feed frame 14, the smelting time of electrode holder main part 2 has been shortened effectively, energy consumption has been reduced, the whole work efficiency of smelting metal of the device has been increased.

According to some embodiments of the present application, the auxiliary smelting assembly 3 includes an extension rod 31, a screen plate 32, a positioning sleeve 33 and a sliding sleeve 34;

the number of the positioning sleeves 33 and the number of the sliding sleeves 34 are three, the three positioning sleeves 33 are all sleeved on the surface of the adjacent electrode holder main body 2, the bottoms of the three positioning sleeves 33 penetrate through the filter screen plate 32 and are fixedly connected with the bottom of the inner wall of the submerged arc furnace main body 1, the three sliding sleeves 34 are all sleeved on the surface of the adjacent positioning sleeves 33, and the bottoms of the three sliding sleeves 34 are all fixedly connected with the top of the filter screen plate 32;

a plurality of evenly distributed extension rods 31 are mounted on each of the plurality of sliding sleeves 34.

According to some embodiments of the application, supplementary subassembly 3 of smelting still includes limiting slide block 36, and limiting slide groove 35 has been seted up to the inside of hot stove main part 1 in ore deposit, and limiting slide groove 35, limiting slide block 36 all have a plurality ofly, and the one end of a plurality of limiting slide blocks 36 all with filter plate 32 fixed connection, and the other end of a plurality of limiting slide blocks 36 all with limiting slide groove 35 sliding connection.

Be provided with supplementary smelting subassembly 3 and can improve the electric arc smelting work of own of electrode holder main part 2, when not disturbing the electric arc output end 21 work on the electrode holder main part 2, when electric arc output end 21 heats whole furnace body and smelts, can obtain through the extension rod 31 with the bigger area of contact of mineral material, three electric arc output end 21 cooperation extension rod 31, location sleeve 33, sliding sleeve 34 can be far above the mutual doing work between the three electric arc output end 21 alone, improved electrode holder main part 2 effectively, the efficiency of electric arc output end 21 smelting mineral, shorten the smelting time, reduce the smelting time when realizing same power output, and then increase holistic smelting efficiency, realize certain energy-conserving effect.

According to some embodiments of the present application, the discharge pipe 12 is installed with a fine filter assembly 4 away from the inner wall of the submerged arc furnace main body 1, and the bottom of the fine filter assembly 4 is fixed to the top of the feed frame 14.

According to some embodiments of the present application, the fine filter assembly 4 includes a fine filter box 41, a sealing cover plate 42, a collection box 43, a sliding bin 44, a support block 45, a fine filter net 46, and a fine filter delivery pipe 47;

the sealing cover plate 42 is fixed on the front surface of the fine filtering box 41 through screws, three fine filtering nets 46 are arranged, the left side and the right side of each fine filtering net 46 are respectively clamped with a supporting block 45, the supporting blocks 45 are fixedly connected with the inner wall of the fine filtering box 41, and the front surface of the sliding bin 44 is connected with the collecting box 43 in a sliding mode;

one end of the fine filter tank 41 is communicated with the bottom end of the discharge pipe 12, and the other end of the fine filter tank 41 penetrates the sliding bin 44 and is communicated with the collection tank 43.

The liquid mineral raw materials can be further refined through the fine filtering component 4, the multi-layer fine filtering net 46 with meshes becoming dense layer by layer can further filter the liquid mineral raw materials effectively, and finally put into the collecting box 43 in the sliding bin 44, the sliding bin 44 can be provided with a heating structure to keep the temperature, the collecting box 43 can be taken out in time and sent to other equipment to work, the collecting box 43 and the sliding bin 44 can be directly changed into a conveying pipe and directly connected with other equipment needing fine filtering of the liquid mineral, and when the fine filtering net 46 needs to be cleaned and replaced, only after screws on the sealing cover plate 42 need to be detached, the fine filtering box 41 is opened, and the fine filtering net 46 is pulled out from the corresponding supporting block 45.

According to some embodiments of the application, the left side and the right side of the inner wall of the submerged arc furnace main body 1 are both fixedly provided with the support frames 19, and the top ends of the output rods of the two support frames 19 are both fixedly connected with the bottom of the furnace cover 11.

Further, a solenoid valve is installed inside the discharge pipe 12.

In the case of the embodiment B, the following examples,

as shown in fig. 1 to 10, according to the submerged arc furnace smelting short net system and the energy-saving submerged arc furnace smelting device of the embodiment of the present application, the surface of each of the three electrode holder main bodies 2 is fixedly provided with an electrode holder conductive copper pipe joint 22, the three electrode holder conductive copper pipe joints 22 are mutually communicated, each of the three electrode holder conductive copper pipe joints 22 is communicated with a plurality of cable pipes 26, one ends of the cable pipes 26 far from the electrode holder conductive copper pipe joint 22 are connected with a water-cooling compensator 25, one ends of the water-cooling compensators 25 far from the cable pipes 26 are connected with a transformer output terminal 24, and one ends of the transformer output terminals 24 far from the water-cooling compensator 25 are connected with a smelting transformer 23.

According to some embodiments of the present application, the plurality of cable tubes 26 are arranged in a pagoda-shaped array from top to bottom.

The working principle of the invention is as follows:

when the submerged arc furnace smelting short net system needs to be started and works as an energy-saving submerged arc furnace smelting device, the smelting transformer 23 is started firstly, low voltage and large current output by the smelting transformer 23 firstly pass through the transformer output end 24 and the water cooling compensator 25, low voltage compensation is carried out through the transformer output end 24, then output cables and water cooling compensation are carried out through different cable pipes 26, finally voltage and current are output and supplied to the electrode holder main body 2 through the electrode holder conductive copper pipe joint 22 by the cable pipes 26, and the electrode holder main body 2 is made to enter the submerged arc furnace main body 1 to work.

When the energy-saving submerged arc furnace smelting device works, the supporting frame 19 is started firstly, the furnace cover 11 is lifted, different ore raw materials are poured into the submerged arc furnace main body 1 from different feeding frames 14, and the furnace cover 11 is lowered to close the submerged arc furnace main body 1 after feeding is completed.

The materials fall on the screen plate 32 after falling in the submerged arc furnace main body 1, at the moment, the electric arc output end 21, the positioning sleeve 33 and the sliding sleeve 34 form a whole body, and the extension rod 31 is matched to be in full contact with the materials in the submerged arc furnace main body 1 to melt and smelt metals, and after the metals are melted, the metals are melted according to different melting points;

when the impurities are more than the melting point of the minerals, the required substances in the minerals are melted firstly, the discharge holes 5 are opened at the moment, and the liquid minerals penetrate through the filter screen plate 32, open the discharge holes 5 and are discharged through the valve 51;

when the melting point of the mineral is larger than that of the impurity, the impurity is melted firstly and is precipitated at the bottom of the submerged arc furnace main body 1, after the mineral is melted, the electromagnetic valve in the discharge pipe 12 is opened, the mineral enters the fine filtering component 4 through the discharge pipe 12 at the moment, and is filtered layer by layer through the fine filtering conveying pipe 47 and the fine filtering nets 46, and finally enters the collecting box 43 to collect the liquid mineral.

According to the amount of the materials, the threaded rotating rod 15 can be driven to rotate by starting the servo motor 13, because the threaded lifting sleeve 16 is fixed with the bottom of the filter screen plate 32, when the threaded rotating rod 15 rotates, the threaded lifting sleeve 16 only can drive the filter screen plate 32 to ascend or descend, namely, when more materials exist, the servo motor 13 is started to descend the filter screen plate 32, when less materials exist, the servo motor 13 is started to ascend the filter screen plate 32, the central position of the mineral materials is always kept to be at the shortest distance from the corresponding electric arc output end 21, namely, the optimal smelting radiation distance, and the sealing ring 18 can prevent the materials or slag impurities from leaking from the joint of the sealing ring 18 and the submerged arc furnace main body 1.

The electronic components and models used in the invention can be selected in different sizes according to actual use requirements, the selected models can realize functions required to be realized by the parts in the application, for example, a control cabin 5 is internally provided with a control module, a signal receiving module and a signal transmitting module, the three modules are integrated in the control cabin 5 and are mutually connected on a circuit board, each module can adopt a model capable of realizing the function on the market, and the size of each module can ensure that the three modules can be completely integrated in the control cabin 5.

The above embodiments are merely examples of the present application and are not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application. 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.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. An energy-saving submerged arc furnace smelting device is characterized by comprising: a submerged arc furnace main body (1) and an electrode holder main body (2);

the top of the submerged arc furnace main body (1) is provided with a furnace cover (11), the left side and the right side of the submerged arc furnace main body (1) are respectively provided with a feeding frame (14), the left side of the inner wall of the submerged arc furnace main body (1) is communicated with a discharging pipe (12) for discharging slag, the right side of the inner wall of the submerged arc furnace main body (1) is provided with a discharging hole (5) for discharging smelting completion metal, and a valve (51) is arranged in the discharging hole (5);

the number of the electrode holder main bodies (2) is three, the bottom ends of the two electrode holder main bodies (2) penetrate through the furnace cover (11) and extend into the submerged arc furnace main body (1), and the bottom end of the electrode holder main body (2) is provided with an electric arc output end (21) for releasing electric arcs;

the interior of the submerged arc furnace main body (1) is connected with an auxiliary smelting component (3) used for increasing the arc discharge efficiency of the electrode holder main body (2) in a sliding mode.

2. The hot stove smelting device of energy-saving ore deposit of claim 1, characterized in that, support frame (19) are installed to the bottom of the hot stove main part in ore deposit (1), install servo motor (13) on support frame (19), the output shaft of servo motor (13) passes through shaft coupling fixedly connected with screw thread dwang (15), the top threaded connection of screw thread dwang (15) has screw thread lifting sleeve (16), the top of screw thread lifting sleeve (16) runs through support frame (19), the hot stove main part in ore deposit (1) in proper order and with supplementary bottom fixed connection who smelts subassembly (3).

3. The energy-saving submerged arc furnace smelting device according to claim 2, characterized in that the threaded lifting sleeve (16) is slidably connected with the submerged arc furnace main body (1), a sealing ring (18) is arranged at the sliding part of the threaded lifting sleeve (16) and the submerged arc furnace main body (1), and a ring-shaped heating wire (17) for preheating the furnace body is coiled inside the submerged arc furnace main body (1).

4. The smelting device of an energy-saving submerged arc furnace according to claim 3, characterized in that the auxiliary smelting component (3) comprises an extension rod (31), a screen plate (32), a positioning sleeve (33) and a sliding sleeve (34);

the electrode holder is characterized in that the number of the positioning sleeves (33) and the number of the sliding sleeves (34) are three, the three positioning sleeves (33) are all sleeved on the surface of the adjacent electrode holder main body (2), the bottoms of the three positioning sleeves (33) penetrate through the filter screen plate (32) and are fixedly connected with the bottom of the inner wall of the submerged arc furnace main body (1), the three sliding sleeves (34) are all sleeved on the surface of the adjacent positioning sleeves (33), and the bottoms of the three sliding sleeves (34) are all fixedly connected with the top of the filter screen plate (32);

a plurality of extension rods (31) which are uniformly distributed are arranged on the sliding sleeves (34).

5. The smelting device of the energy-saving submerged arc furnace according to claim 3, wherein the auxiliary smelting assembly (3) further comprises a limiting slide block (36), a plurality of limiting slide grooves (35) are formed in the submerged arc furnace main body (1), one end of each limiting slide block (36) is fixedly connected with the screen plate (32), and the other end of each limiting slide block (36) is slidably connected with the limiting slide groove (35).

6. The energy-saving submerged arc furnace smelting device according to claim 1, characterized in that the discharge pipe (12) is far away from the inner wall of the submerged arc furnace main body (1) and is provided with a fine filter assembly (4), and the bottom of the fine filter assembly (4) is fixed with the top of the feed frame (14).

7. The smelting device of the energy-saving submerged arc furnace according to claim 6, wherein the fine filter assembly (4) comprises a fine filter box (41), a sealing cover plate (42), a collection box (43), a sliding bin (44), a support block (45), a fine filter net (46) and a fine filter delivery pipe (47);

the sealing cover plates (42) are fixed on the front face of the fine filtering box (41) through screws, the number of the fine filtering nets (46) is three, the left side and the right side of each fine filtering net (46) are clamped with supporting blocks (45), the supporting blocks (45) are fixedly connected with the inner wall of the fine filtering box (41), and the front face of the sliding bin (44) is connected with a collecting box (43) in a sliding mode;

one end of the fine filtering box (41) is communicated with the bottom end of the discharge pipe (12), and the other end of the fine filtering box (41) penetrates through the sliding bin (44) and is communicated with the collecting box (43).

8. The energy-saving submerged arc furnace smelting device according to claim 1, characterized in that support frames (19) are fixedly mounted on the left and right sides of the inner wall of the submerged arc furnace main body (1), and the top ends of the output rods of the two support frames (19) are fixedly connected with the bottom of the furnace cover (11).

9. A submerged arc furnace smelting short net system comprises the energy-saving submerged arc furnace smelting device according to any one of claims 1 to 8, and is characterized in that the surfaces of the three electrode holder main bodies (2) are fixedly provided with electrode holder conductive copper pipe joints (22), the three electrode holder conductive copper pipe joints (22) are communicated with one another, the three electrode holder conductive copper pipe joints (22) are communicated with a plurality of cable pipes (26), the cable pipes (26) are connected with a water-cooling compensator (25) at ends far away from the electrode holder conductive copper pipe joints (22), the water-cooling compensator (25) is connected with a transformer output end (24) at ends far away from the cable pipes (26), and the transformer output end (24) is connected with a smelting transformer (23) at one end far away from the water-cooling compensator (25).

10. The submerged arc furnace smelting short net system according to claim 9, characterized in that the plurality of cable tubes (26) are arranged in a pagoda-shaped array from top to bottom.