CN210826305U - Antimony oxide reduction smelting device - Google Patents
Antimony oxide reduction smelting device Download PDFInfo
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- CN210826305U CN210826305U CN201921804433.7U CN201921804433U CN210826305U CN 210826305 U CN210826305 U CN 210826305U CN 201921804433 U CN201921804433 U CN 201921804433U CN 210826305 U CN210826305 U CN 210826305U
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Abstract
The utility model discloses an antimony oxide reduction smelting device, include: the furnace body and inductor, gas phase district, slag layer district and metal layer district are injectd from top to bottom in the furnace body, the gas phase district is equipped with antimony oxide material entry, exhaust port and burning nozzle, slag layer district is equipped with the slag discharge mouth, metal layer district is equipped with antimony metal discharge port, the inductor includes: the device comprises a magnetizer, an induction coil, a melt channel and a heat insulation layer, wherein the induction coil is arranged at the periphery of the magnetizer, the melt channel is arranged at the periphery of the induction coil, the melt channel is provided with a melt inlet and a melt outlet, the melt inlet and the melt outlet are respectively communicated with the metal layer region, and the heat insulation layer is arranged between the induction coil and the melt channel. The device can effectively solve the problems of poor labor condition, poor environmental protection, low production efficiency, high energy consumption, low direct recovery rate and the like of the conventional antimony oxide reduction device.
Description
Technical Field
The utility model belongs to the technical field of metallurgical equipment, concretely relates to antimony oxide reduction smelting device.
Background
Antimony oxide refers to antimony trioxide, most of which is a product of antimony-containing raw materials treated by a blast furnace, a roasting furnace and a blowing furnace, and contains one or more impurities of part of arsenic, lead, copper, iron, sulfur, bismuth, gold and silver, and is a raw material for producing refined antimony products.
The basic process of most antimony smelting plants in the field at present is antimony concentrate blast furnace volatilization smelting-crude antimony trioxide reverberatory furnace reduction smelting. In the prior art, a reverberatory furnace is adopted to reduce antimony, namely antimony oxygen is used as a raw material, carbon is used as a reducing agent, sodium carbonate is used as a fluxing agent, the reduction is carried out at the temperature of about 1100 ℃, the antimony oxygen is reduced into crude antimony, and the crude antimony is refined into refined antimony and then is processed into deep-processed antimony products step by step. However, the reduction process of the reverberatory furnace has the defects of poor labor condition, poor environmental protection, low production efficiency, high energy consumption, low direct yield and the like.
Therefore, the existing antimony smelting equipment needs to be improved.
SUMMERY OF THE UTILITY MODEL
The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, an object of the utility model is to provide an antimony oxide reduction smelting device, adopt the device can effectively solve current antimony oxide reduction device working condition poor, the environmental protection is poor, production efficiency is low, the energy consumption is high and the low scheduling problem of direct yield.
In one aspect of the utility model, the utility model provides an antimony oxide reduction smelting device. According to the utility model discloses an embodiment, the device includes:
the furnace body is internally provided with a gas outlet phase region, a slag layer region and a metal layer region from top to bottom;
the antimony oxide inlet is arranged in the gas phase area;
the smoke outlet is arranged in the gas phase area;
the combustion nozzle is arranged in the gas phase area;
the slag discharging port is arranged on the slag layer area;
the antimony metal discharge port is arranged on the metal layer region;
an inductor, the inductor comprising:
a magnetizer;
the induction coil is arranged at the periphery of the magnetizer;
the melt channel is arranged on the periphery of the induction coil and is provided with a melt inlet and a melt outlet, and the melt inlet and the melt outlet are respectively communicated with the metal layer region;
the heat insulation layer is arranged on the periphery of the melt channel.
According to the antimony oxide reduction smelting device provided by the embodiment of the utility model, the inductor is arranged on the side wall of the metal layer region on the furnace body, an alternating current is supplied to an induction coil in the inductor, an alternating magnetic field is generated in the induction coil, the magnetic field is transmitted into the melt channel through the iron core magnetizer, induced current is generated in the melt channel, so as to inductively heat the melt in the melt channel, namely, the metal melt in the metal layer region enters the melt channel through the melt inlet to be heated and then is discharged out of the melt channel through the melt outlet, so recycling for whole metal melt in the metal layer region is all heated, provides the heat source for antimony oxide reduction reaction, makes antimony oxide reduced, compares in current antimony oxide reduction device, and the device of this application can solve work condition difference, environmental protection difference, production efficiency low, the energy consumption is high and the straight yield hangs down the scheduling problem.
In addition, the antimony oxide reduction smelting device according to the embodiment of the present invention may further have the following additional technical features:
optionally, the height ratio of the gas phase zone, the slag layer zone and the metal layer zone is (4-7): (1-3): (2-3). Therefore, the antimony oxide smelting efficiency can be obviously improved.
Optionally, the inductor height accounts for 30% -70% of the metal layer region height. Therefore, the antimony oxide smelting efficiency can be obviously improved.
Optionally, the height from the lower end of the inductor to the bottom of the metal layer region accounts for 10% -30% of the height of the metal layer region. Therefore, the antimony oxide smelting efficiency can be obviously improved.
Optionally, the melt channel is U-shaped.
Optionally, the melt channel is W-shaped, the magnetizer and the induction coil are respectively arranged in two V-shapes of the W-shaped melt channel, the melt outlet is arranged at the middle end of the W-shaped melt channel, and the melt inlet is arranged at two ends of the W-shaped melt channel.
Optionally, the induction coil is hollow inside, and cooling water is supplied into the induction coil. Thereby, the service life of the induction coil can be prolonged.
Optionally, the device comprises a plurality of said inductors, said plurality of inductors being spaced circumferentially around the outer wall of said metal layer zone. Therefore, the antimony oxide smelting efficiency can be obviously improved.
Optionally, the apparatus comprises a plurality of said combustion nozzles. Therefore, the antimony oxide smelting efficiency can be obviously improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a front view structural view of an antimony oxide reduction smelting unit according to an embodiment of the present invention;
FIG. 2 is a structural view of an A-A structure of an antimony oxide reduction smelting unit according to yet another embodiment of the present invention;
FIG. 3 is a structural view of an A-A structure of an antimony oxide reduction smelting unit according to yet another embodiment of the present invention.
Detailed Description
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 with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship 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" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In one aspect of the utility model, the utility model provides an antimony oxide reduction smelting device. In accordance with an embodiment of the present invention, referring to fig. 1-3, the apparatus includes a furnace body 100 and an inductor 200.
According to the embodiment of the present invention, the furnace body 100 defines the gas phase zone 11, the slag layer zone 12 and the metal layer zone 13 from top to bottom, and the gas phase zone 11 is provided with the antimony oxide inlet 101, the smoke outlet 102 and the combustion nozzle 103, respectively, the slag layer zone 12 is provided with the slag outlet 104, the metal layer zone 13 is provided with the antimony metal discharge outlet 105, referring to fig. 1, the antimony oxide inlet 101 and the smoke outlet 102 are provided at the top of the gas phase zone, the combustion nozzle 103 is provided on the side wall of the gas phase zone 11, and the combustion nozzle 103 can burn natural gas, diesel oil or other fuels, preferably, the side wall of the gas phase zone 11 is provided with a plurality of combustion nozzles 103, and the plurality of combustion nozzles 103 are spaced at the circumferential direction of the side wall of the gas phase zone 11, and the shape of the furnace body 100 can be rectangular, elliptical or circular, and those skilled in the art can select the gas phase.
Further, the height ratio of the gas phase zone 11, the slag layer zone 12 and the metal layer zone 13 is (4-7): (1-3): (2-3). The inventor finds that the smelting device with the structure can obviously improve the antimony oxide reduction efficiency.
According to the utility model discloses an embodiment, inductor 200 includes magnetizer 21, induction coil 22, fuse-element passageway 23 and insulating layer 24, and induction coil 22 is established peripherally magnetizer 21, and fuse-element passageway 23 is established peripherally induction coil 22 to fuse-element passageway 23 has fuse-element import 201 and melt outlet 102, and fuse-element import 201 and melt outlet 202 communicate with metal layer region 13 respectively, and insulating layer 24 is established peripherally at fuse-element passageway 23. Specifically, the inductor 200 is a main heating device, when the inductor 200 cannot maintain the heat balance in the furnace body, a combustion nozzle is used for heat compensation, the magnetizer 21 is an annular iron core, the induction coils 22 are arranged in a plurality of turns around the iron core, alternating current is supplied to the induction coils in the inductor to generate an alternating magnetic field in the induction coils, the magnetic field is transmitted into the melt channel through the iron core magnetizer to generate induced current in the melt channel, and then the melt in the melt channel is inductively heated, namely, the metal melt in the metal layer region enters the melt channel through the melt inlet to be heated and then is discharged out of the melt channel through the melt outlet, the circulation is repeated, so that all the metal melt in the metal layer region is heated, a heat source is provided for the antimony oxide reduction reaction, and the antimony oxide is reduced Poor environmental protection, low production efficiency, high energy consumption, low direct recovery rate and the like. The thermal insulation layer 24 is made of an insulating material, and can be selected by those skilled in the art according to actual needs.
Further, the height of the inductor 200 accounts for 30% -70% of the height of the metal layer region 13, and the height of the lower end of the inductor 200 from the bottom of the metal layer region 13 accounts for 10% -30% of the height of the metal layer region 13. Thus, the antimony oxygen reduction efficiency can be significantly improved.
Further, referring to fig. 2, the melt channel 23 may be U-shaped, that is, the melt inlet 201 is disposed at one end of the melt channel 23, and the melt outlet 202 is disposed at the other end of the melt channel 23, it should be noted that the power of the metal melt in the metal layer region 13, which enters the inductor 200 disposed in the melt channel 23 from the melt inlet 201 and is heated, and then is supplied to the metal layer region 13 through the melt outlet 202 in this application, may be any technology that can realize metal melt in the prior art, for example, the precise design of the shape and coil arrangement of the molten channel in the prior art, and the flow of the metal melt is realized under the action of electromagnetic compression force, and the cycle is repeated, so that all the metal melt in the metal layer region 13 is heated, and antimony oxide is reduced.
Further, referring to fig. 3, the melt channel 23 on the inductor 200 is W-shaped, and the magnetizer 21 and the induction coil 22 are respectively arranged in two V-shapes of the W-shaped melt channel 23, it should be noted that in the present application, the motive force of the metal melt in the metal layer region 13 entering the melt channel 23 from the melt inlets 201 at two ends of the melt channel 23, respectively heated by the induction coil 22 arranged in the inductor 200, and then entering the metal layer region 13 from the melt outlet 202 at the middle end of the melt channel 23 may be any technique that can realize the metal melt in the prior art, for example, the precise design of the shape of the molten channel and the coil arrangement in the prior art, and realizes the flow of the metal melt under the action of the electromagnetic compression force, and the metal melt is repeatedly circulated in such a way, so that all the metal melt in the metal layer region 13 is heated, a heat source is provided for the reduction reaction process of the antimony oxide, and the antimony oxide is promoted to be reduced.
Preferably, in order to further improve the efficiency of antimony oxide reduction, a plurality of inductors 200 are arranged on the metal layer region 13, and the plurality of inductors 200 are distributed at intervals in the circumferential direction of the outer wall of the metal layer region 13, so that the plurality of inductors 200 are used for heating the metal melt in the metal layer region 13.
Further, in order to prolong the service life of the induction coil 22, the induction coil 22 is an air core coil, a cooling system is adopted to supply cooling water into the induction coil 22, and in order to avoid the risk of water leakage after the induction coil 22 is burnt through, the cooling system adopts a negative pressure cooling system.
According to the antimony oxide reduction smelting device provided by the embodiment of the utility model, the inductor is arranged on the side wall of the metal layer region on the furnace body, an alternating current is supplied to an induction coil in the inductor, an alternating magnetic field is generated in the induction coil, the magnetic field is transmitted into the melt channel through the iron core magnetizer, induced current is generated in the melt channel, so as to inductively heat the melt in the melt channel, namely, the metal melt in the metal layer region enters the melt channel through the melt inlet to be heated and then is discharged out of the melt channel through the melt outlet, so recycling for whole metal melt in the metal layer region is all heated, provides the heat source for antimony oxide reduction reaction, makes antimony oxide reduced, compares in current antimony oxide reduction device, and the device of this application can solve work condition difference, environmental protection difference, production efficiency low, the energy consumption is high and the straight yield hangs down the scheduling problem.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (9)
1. An antimony oxygen reduction smelting device is characterized by comprising:
the furnace body is internally provided with a gas outlet phase region, a slag layer region and a metal layer region from top to bottom;
the antimony oxide inlet is arranged in the gas phase area;
the smoke outlet is arranged in the gas phase area;
the combustion nozzle is arranged in the gas phase area;
the slag discharging port is arranged on the slag layer area;
the antimony metal discharge port is arranged on the metal layer region;
an inductor, the inductor comprising:
a magnetizer;
the induction coil is arranged at the periphery of the magnetizer;
the melt channel is arranged on the periphery of the induction coil and is provided with a melt inlet and a melt outlet, and the melt inlet and the melt outlet are respectively communicated with the metal layer region;
the heat insulation layer is arranged on the periphery of the melt channel.
2. The apparatus of claim 1, wherein the ratio of the heights of the gas phase zone, the slag layer zone and the metal layer zone is (4-7): (1-3): (2-3).
3. The apparatus of claim 1 or 2, wherein the inductor height comprises 30% to 70% of the metal layer region height.
4. The apparatus of claim 1, wherein the height of the lower end of the inductor from the bottom of the metal layer region is 10% to 30% of the height of the metal layer region.
5. The apparatus of claim 1, wherein the melt channel is U-shaped.
6. The apparatus of claim 1, wherein the melt channel is W-shaped, the magnetizer and the induction coil are respectively arranged in two V-shapes of the W-shaped melt channel, the melt outlet is arranged at the middle end of the W-shaped melt channel, and the melt inlet is arranged at two ends of the W-shaped melt channel.
7. The apparatus of claim 1, wherein the induction coil is hollow inside, and the induction coil is supplied with cooling water therein.
8. The apparatus of claim 5 or 6, comprising a plurality of said inductors circumferentially spaced about the outer wall of the metal layer region.
9. The apparatus of claim 1, comprising a plurality of said combustion nozzles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201921804433.7U CN210826305U (en) | 2019-10-24 | 2019-10-24 | Antimony oxide reduction smelting device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921804433.7U CN210826305U (en) | 2019-10-24 | 2019-10-24 | Antimony oxide reduction smelting device |
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| CN210826305U true CN210826305U (en) | 2020-06-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110629041A (en) * | 2019-10-24 | 2019-12-31 | 中国恩菲工程技术有限公司 | Antimony oxide reduction smelting device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110629041A (en) * | 2019-10-24 | 2019-12-31 | 中国恩菲工程技术有限公司 | Antimony oxide reduction smelting device |
| CN110629041B (en) * | 2019-10-24 | 2024-03-19 | 中国恩菲工程技术有限公司 | Antimony oxide reduction smelting device |
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