CN215491091U - Heating device for smelting low-carbon ferrochrome - Google Patents
Heating device for smelting low-carbon ferrochrome Download PDFInfo
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- CN215491091U CN215491091U CN202121525836.5U CN202121525836U CN215491091U CN 215491091 U CN215491091 U CN 215491091U CN 202121525836 U CN202121525836 U CN 202121525836U CN 215491091 U CN215491091 U CN 215491091U
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Abstract
The utility model discloses a heating device for smelting low-carbon ferrochrome, which comprises a heating device body, wherein a heating groove is formed in the center of the top of the heating device body, a coal containing frame is placed in the center of the heating groove, and a heating crucible is arranged on the inner side of the coal containing frame; a heating coil corresponding to the coal containing frame and the heating crucible is arranged on the inner side of the heating groove, a frame positioning groove corresponding to the coal containing frame is formed in the center of the bottom of the heating groove, and a crucible positioning groove corresponding to the heating crucible is formed in the center of the bottom of the frame positioning groove; a plurality of ventilation leakage nets are arranged on the periphery of the bottom of the frame positioning groove. According to the utility model, by designing the electric heating structure and the coal heating structure, the coal in the coal containing frame can be ignited by utilizing the rapid heating after the heating coil is electrified, so that the chromite ore in the heating crucible is heated and smelted by utilizing the combusted coal, a large amount of electric energy can be saved, and the production cost can be reduced.
Description
Technical Field
The utility model relates to the field of smelting of low-carbon ferrochrome, in particular to a heating device for smelting low-carbon ferrochrome.
Background
Chromite is a mineral with magma function, is usually produced in ultrabasic rock and is symbiotic with olivine; also found in placer ores, look much like magnetite, generally in the form of a mass or granular aggregate. The magnesite-chrome brick and the chrome-magnesia brick are used in the metallurgy, glass and cement industries, and chromite can be used for extracting metal chromium, producing ferrochrome alloy and stainless steel, manufacturing dichromate and the like; the chromium ore is an indispensable mineral resource for developing the industries of metallurgy, national defense, chemical industry and the like, is mainly used for producing stainless steel, various alloy steels and alloys in the metallurgical industry, and has wide application in the aspects of glass, ceramics, refractory materials and the like; the medium, low and micro carbon ferrochrome is generally prepared by taking silicochrome, chromite and lime as raw materials, refining and desiliconizing by using a 1500-grade 6000-kilovolt-ampere electric furnace, adopting high-alkalinity slag operation, and producing the low and micro carbon ferrochrome by adopting a heat exchange method on a large scale; during production, two electric furnaces are used, one for smelting silicon-chromium alloy and the other for melting slag composed of chromium ore and lime.
The low-micro-carbon ferrochrome is processed and smelted by using a special heating furnace to smelt the chromite ore, and the traditional smelting mode is to heat the ferrochrome by using a heating electric furnace, so that although the traditional smelting mode can play a role in rapid heating, a large amount of electric energy is consumed in the continuous heating process, and the production and processing cost is not reduced;
therefore, it is desirable to provide a heating device for smelting low-carbon ferrochromium to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is that the traditional smelting mode is to heat by using a heating electric furnace, so that although the traditional smelting mode can play a role of rapid heating, a large amount of electric energy is consumed in the continuous heating process, and the production and processing cost is not favorably reduced.
In order to solve the technical problems, the utility model adopts a technical scheme that: the heating device for smelting the low-carbon ferrochrome comprises a heating device body, wherein a heating groove is formed in the center of the top of the heating device body, a coal containing frame is placed in the center of the heating groove, and a heating crucible is arranged on the inner side of the coal containing frame;
a heating coil corresponding to the coal containing frame and the heating crucible is arranged on the inner side of the heating groove, a frame positioning groove corresponding to the coal containing frame is formed in the center of the bottom of the heating groove, and a crucible positioning groove corresponding to the heating crucible is formed in the center of the bottom of the frame positioning groove;
a plurality of ventilation leakage nets are arranged on the periphery of the bottom of the frame positioning groove, a plurality of air supply pipelines corresponding to the ventilation leakage nets are arranged on the periphery of the bottom of the frame positioning groove, and an air supply channel corresponding to the plurality of air supply pipelines is arranged in the center of the bottom of the heating device body;
the air supply device is characterized in that a main air inlet channel corresponding to the air supply channel is formed in one side of the bottom of the heating device body, and an air source connector corresponding to the main air inlet channel is fixedly connected to the bottom of one side of the outer wall of the heating device body.
Preferably, the heating coil is helical structure, and the heating coil that is helical structure setting can generate heat fast after the circular telegram, can heat alone to the chromite stone in the heating crucible and smelt, also can heat the coal that the ignition coal held the frame simultaneously to the chromite stone in the heating crucible of utilization burning heats the smelting.
Preferably, the coal holds the frame and sets up for hollow out construction, and the coal that hollow out construction set up holds the frame and can play limiting displacement to inside coal, does not influence thermal conduction yet simultaneously.
Preferably, a plurality of mounting clamping grooves corresponding to the ventilation leakage net are formed in the periphery of the bottom of the frame positioning groove, and the ventilation leakage net can be mounted and limited by the aid of the plurality of mounting clamping grooves corresponding to the ventilation leakage net formed in the periphery of the bottom of the frame positioning groove.
Preferably, it is a plurality of the bottom of air feed pipeline all link up each other with the air feed passageway, link up each other with the air feed passageway through the bottom that makes a plurality of air feed pipelines to the air that makes among the air feed passageway can get into a plurality of air feed pipelines smoothly, then in corresponding a plurality of ventilation leak nets get into frame positioning groove, thereby hold the coal of burning in the frame for the coal and carry out the air feed, thereby promote the burning of coal, improve heating temperature, thereby heat the smelting to the chromite stone in the heating crucible.
Preferably, the air feed passageway is the annular channel structure setting, just the air inlet corresponding with main intake duct is seted up to air feed passageway one side, and the air feed passageway that is the annular channel structure setting neither influences the air feed, simultaneously through seting up the air inlet corresponding with main intake duct in air feed passageway one side to the air that makes the air supply connector access can get into the air feed passageway through the air inlet.
The utility model has the following beneficial effects:
1. according to the utility model, the air supply mechanism is designed, so that coal in the coal containing frame can be fully combusted, the combustion temperature is increased, the coal in the coal containing frame can be rapidly melted, and the heating smelting efficiency is improved;
2. according to the utility model, by designing the electric heating structure and the coal heating structure, the coal in the coal containing frame can be ignited by utilizing the rapid heating after the heating coil is electrified, so that the chromite ore in the heating crucible is heated and smelted by utilizing the combusted coal, a large amount of electric energy can be saved, and the production cost can be reduced.
Drawings
FIG. 1 is a cross-sectional structural view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a schematic structural view of the coal containing frame of the present invention.
In the figure: 1. a heating device body; 2. heating the groove; 3. a coal containing frame; 4. heating the crucible; 5. a heating coil; 6. a frame positioning groove; 7. a crucible positioning groove; 8. a ventilation leakage net; 9. an air supply duct; 10. an air supply channel; 11. a primary air intake; 12. and an air source connector.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the utility model easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the utility model.
Referring to fig. 1 and 2, the heating device for smelting low-carbon ferrochrome comprises a heating device body 1, wherein a heating groove 2 is formed in the center of the top of the heating device body 1, as shown in fig. 3, a coal containing frame 3 is placed in the center of the heating groove 2, the coal containing frame 3 is arranged in a hollow structure, and the coal containing frame 3 arranged in the hollow structure can limit the coal inside and does not influence heat conduction; a heating crucible 4 is arranged on the inner side of the coal containing frame 3;
as shown in fig. 2, heating coil 5 corresponding to the coal containing frame 3 and the heating crucible 4 is installed on the inner side of the heating groove 2, the heating coil 5 is in a spiral structure, the heating coil 5 which is in the spiral structure can rapidly generate heat after being electrified, the chromite stones in the heating crucible 4 can be heated and smelted independently, meanwhile, the coal in the coal containing frame 3 can be heated and ignited, and the power supply of the heating coil 5 can be turned off after the coal is ignited, so that the chromite stones in the heating crucible 4 can be heated and smelted by the combusted coal.
A frame positioning groove 6 corresponding to the coal containing frame 3 is formed in the center of the bottom of the heating groove 2, and a crucible positioning groove 7 corresponding to the heating crucible 4 is formed in the center of the bottom of the frame positioning groove 6;
a plurality of ventilation are leaked net 8 to frame positioning groove 6 bottom week side installation, and 6 bottom week sides of frame positioning groove set up a plurality of and the corresponding installation draw-in groove of ventilation leak net 8, through set up a plurality of and the corresponding installation draw-in groove of ventilation leak net 8 in 6 bottom week sides of frame positioning groove, can play the installation limiting displacement to ventilation leak net 8.
A plurality of air supply pipelines 9 corresponding to the ventilation leakage net 8 are arranged on the periphery of the bottom of the frame positioning groove 6, and an air supply channel 10 corresponding to the plurality of air supply pipelines 9 is arranged in the center of the bottom of the heating device body 1; the bottom of a plurality of air feed pipelines 9 all link up each other with air feed passageway 10, bottom and air feed passageway 10 through making a plurality of air feed pipelines 9 link up each other, thereby make the air that gets into in the air feed passageway 10 can get into a plurality of air feed pipelines 9 smoothly, then in corresponding a plurality of ventilation leaks 8 and gets into frame positioning groove 6, thereby hold the coal of burning in the frame 3 for coal and carry out the air feed, thereby promote the burning of coal, heating temperature is improved, thereby heat the smelting to the chromite stone in the heating crucible 4.
A main air inlet 11 corresponding to the air supply channel 10 is formed in one side of the bottom of the heating device body 1, and an air source connecting port 12 corresponding to the main air inlet 11 is fixedly connected to the bottom of one side of the outer wall of the heating device body 1; air feed passageway 10 is the annular channel structure setting, and air feed passageway 10 one side seted up with the corresponding air inlet of main intake duct 11, and air feed passageway 10 that is the annular channel structure setting neither influences the air feed, simultaneously through seting up the air inlet corresponding with main intake duct 11 in air feed passageway 10 one side to the air that makes air source connector 12 insert can get into air feed passageway 10 through the air inlet.
When the heating device is used, chromite stones to be processed can be placed into the heating crucible 4, then the heating crucible 4 is placed into the crucible positioning groove 7, a proper amount of coal is poured into the coal containing frame 3, the coal containing frame 3 is placed into the frame positioning groove 6, after the preparation is finished, the heating coil 5 is electrified, the heating coil 5 arranged in the spiral structure can rapidly generate heat after being electrified, the chromite stones in the heating crucible 4 can be independently heated and smelted, meanwhile, the coal in the coal containing frame 3 can also be heated and ignited, and therefore the chromite stones in the heating crucible 4 can be heated and smelted by utilizing the combusted coal.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. The utility model provides a low little carbon ferrochrome smelts and uses heating device, includes heating device body (1), its characterized in that: a heating groove (2) is formed in the center of the top of the heating device body (1), a coal containing frame (3) is placed in the center of the heating groove (2), and a heating crucible (4) is arranged on the inner side of the coal containing frame (3);
a heating coil (5) corresponding to the coal containing frame (3) and the heating crucible (4) is installed on the inner side of the heating groove (2), a frame positioning groove (6) corresponding to the coal containing frame (3) is formed in the center of the bottom of the heating groove (2), and a crucible positioning groove (7) corresponding to the heating crucible (4) is formed in the center of the bottom of the frame positioning groove (6);
a plurality of ventilation leakage nets (8) are arranged on the periphery of the bottom of the frame positioning groove (6), a plurality of air supply pipelines (9) corresponding to the ventilation leakage nets (8) are arranged on the periphery of the bottom of the frame positioning groove (6), and an air supply channel (10) corresponding to the plurality of air supply pipelines (9) is arranged in the center of the bottom of the heating device body (1);
the air supply device is characterized in that a main air inlet channel (11) corresponding to the air supply channel (10) is formed in one side of the bottom of the heating device body (1), and an air source connector (12) corresponding to the main air inlet channel (11) is fixedly connected to the bottom of one side of the outer wall of the heating device body (1).
2. The heating device for smelting low-carbon ferrochrome according to claim 1, characterized in that: the heating coil (5) is in a spiral structure.
3. The heating device for smelting low-carbon ferrochrome according to claim 1, characterized in that: the coal containing frame (3) is of a hollow structure.
4. The heating device for smelting low-carbon ferrochrome according to claim 1, characterized in that: and a plurality of mounting clamping grooves corresponding to the ventilation leakage nets (8) are formed on the periphery of the bottom of the frame positioning groove (6).
5. The heating device for smelting low-carbon ferrochrome according to claim 1, characterized in that: the bottom ends of the air supply pipelines (9) are communicated with the air supply channel (10).
6. The heating device for smelting low-carbon ferrochrome according to claim 1, characterized in that: air feed passageway (10) are the setting of annular channel structure, just air feed passageway (10) one side is seted up with main intake duct (11) corresponding air inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121525836.5U CN215491091U (en) | 2021-07-06 | 2021-07-06 | Heating device for smelting low-carbon ferrochrome |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121525836.5U CN215491091U (en) | 2021-07-06 | 2021-07-06 | Heating device for smelting low-carbon ferrochrome |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215491091U true CN215491091U (en) | 2022-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121525836.5U Active CN215491091U (en) | 2021-07-06 | 2021-07-06 | Heating device for smelting low-carbon ferrochrome |
Country Status (1)
| Country | Link |
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| CN (1) | CN215491091U (en) |
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2021
- 2021-07-06 CN CN202121525836.5U patent/CN215491091U/en active Active
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