CN205383888U - Metallurgical furnace - Google Patents
Metallurgical furnace Download PDFInfo
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- CN205383888U CN205383888U CN201620066482.5U CN201620066482U CN205383888U CN 205383888 U CN205383888 U CN 205383888U CN 201620066482 U CN201620066482 U CN 201620066482U CN 205383888 U CN205383888 U CN 205383888U
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Abstract
The utility model provides a metallurgical furnace. What this metallurgical furnace's furnace body was formed with mutual intercommunication melts reduction chamber and dilution chamber, is provided with the main burner rather than the cavity intercommunication on melting the chamber wall in reduction chamber, and the main burner is used for spouting intos mineral aggregate and melting mineral aggregate to melting the reduction intracavity, is provided with a plurality of dilution electrodes on the chamber wall in dilution chamber, and the tip of a plurality of dilution electrodes inserts that the melt water of dilution intracavity is interior to restore in order to carry out the dilution to the melt water, is provided with metal discharge port and sediment discharge port on the chamber wall in dilution chamber. The utility model discloses a large amount of electric energy or coke was used in the smelting requirements of process during metallurgical furnace can solve prior art to the with high costs of laterite ore deposit has been leaded to smelting and in the electroless or regional problem that is difficult to build laterite mining and metallurgy refinery of short of electricity.
Description
Technical field
This utility model relates to coloured field of metallurgy, in particular to a kind of metallurgical furnace.
Background technology
In the pyrometallurgical smelting process of the laterite of prior art, comparatively ripe and widely used smelting flow process is rotary kiln-electric furnace (i.e. RKEF) flow process, this flow process employs a number of coal in smelting process, and the key equipment in this flow process is electric furnace, electric furnace needs to use substantial amounts of electric energy in smelting process.
The place of production, source of a lot of laterites belongs to relatively backward remote districts mostly, and the infrastructure in these laterite mineral resources places of production falls behind, it does not have bulk power grid.The smeltery that RKEF flow process smelts laterite is adopted to there is bigger difficulty in these area, laterite mineral resources place of production construction: one is build extensive power plant itself to invest very big；Two be these laterite mineral resources place of production construction be mostly lonely net power station, the extensive electricity consumption of electric furnace is very big on the impact in these lonely net power stations, thus a lot of advanced technological means need to be adopted to ensure the stable operation of electric furnace and electrical network, this can increase the investment of power plant further, and the cost safeguarded simultaneously and run also can be higher.
Another adopts more flow process to be blast furnace process, uses coke to smelt, coke relatively costly, and more difficult acquirement coke in the smelting process of blast furnace process.
Comprehensively analyzing prior art, the smelting requirements of process of prior art uses substantial amounts of electric energy or coke, thus result in the cost smelting laterite problem that is high and that be difficult to build laterite ore refinery at nothing electricity or power-shortage area.
Utility model content
Main purpose of the present utility model is in that to provide a kind of metallurgical furnace, to solve prior art is smelted the requirements of process substantial amounts of electric energy of use or coke, thus result in the cost smelting laterite problem that is high and that be difficult to construction laterite ore refinery at nothing electricity or power-shortage area.
To achieve these goals, embodiment of the present utility model provides a kind of metallurgical furnace, the body of heater of metallurgical furnace is formed with the smelting reduction chamber and dilution chamber that are interconnected, the cavity wall in smelting reduction chamber is provided with the main burner with its chamber, main burner for spraying into mineral aggregate melted mineral aggregate to smelting reduction intracavity, the cavity wall in dilution chamber is provided with multiple lean polarizing electrode, the fused solution that dilution intracavity is inserted in the end of multiple lean polarizing electrodes is interior so that fused solution is carried out dilution reduction, and the cavity wall in dilution chamber is provided with metal discharge port and slag discharge port.
Further, body of heater includes cupola well, furnace wall, the first furnace roof and the second furnace roof, cupola well, furnace wall and lid are located on furnace wall between the first furnace roof and form smelting reduction chamber, cupola well, furnace wall and lid are located on furnace wall between the second furnace roof and form dilution chamber, wherein, furnace wall includes furnace shell plate, water jacket, refractory brick, and water jacket is arranged between furnace shell plate and refractory brick, and refractory brick contacts with fused solution.
Further, main burner is arranged on the first furnace roof.Main burner sprays into mineral aggregate in stove, and main burner is again top oxygen coal burner simultaneously, sprays into fuel and oxygen-containing gas burns in stove.
Further, body of heater is Long Circle or rectangular shape, and the outside of water jacket is enclosed by furnace shell plate and forms.Further, water jacket can be arranged on the different position of stove and select to adopt the different types of cooling, it is ensured that reduce equipment manufacturing cost while stove bulk life time as far as possible.
Further, body of heater being provided with the side-blown spray gun for stirring the fused solution in body of heater, the outlet of side-blown spray gun is immersed in fused solution.
Further, the quantity of side-blown spray gun is multiple, and multiple side-blown spray guns are oppositely disposed in the cavity wall in smelting reduction chamber；Or, the quantity of side-blown spray gun is multiple, the Part I of multiple side-blown spray guns is arranged in first cavity wall in smelting reduction chamber, the Part II of multiple side-blown spray guns is arranged in second cavity wall relative with the first cavity wall in smelting reduction chamber, and Part I side-blown spray gun is arranged alternately with Part II side-blown spray gun.
Further, body of heater is additionally provided with the oxygen coal burner for fused solution carries out concurrent heating.
Further, being provided with dam in body of heater, a part for dam is immersed in fused solution, and another part stretches out the liquid level of fused solution, and multiple lean polarizing electrode is respectively positioned on the side away from smelting reduction chamber of dam.
Further, the first furnace roof offers reinforced entrance.
Further, exhaust gases passes shared between smelting reduction chamber and dilution chamber it is provided with between the first furnace roof and the second furnace roof.
Application the technical solution of the utility model, mineral aggregate is sent into smelting reduction intracavity by main burner by this metallurgical furnace, and by main burner, fuel and oxygen-containing gas are sprayed into smelting reduction intracavity simultaneously, thus the mineral aggregate that fusing sprays into simultaneously, fuel is also used as the reducing agent mineral aggregate to spraying into and reduces, fused solution after oxidization-reduction enters in dilution chamber, by multiple lean polarizing electrodes, fused solution is carried out dilution process, thus fused solution clarification is layered as metal pat and slag blanket, again through metal discharge port and slag discharge port, molten metal and slag are released respectively.Metallurgical furnace of the present utility model by carrying out smelting reduction and dilution two metallurgical process of reduction respectively in two regions of a stove, and floor space is little, decreases the configuration discrepancy in elevation；Reduce the construction investment of stove itself and Factory Building.Owing to smelting reduction and dilution two production links of reduction carry out in same metallurgical furnace, decrease directly discharge and add the operation of melt, having higher production operational availability, operator and corresponding Work tool consumption can be reduced.Smelting reduction operation and dilution reduction operation complete in a stove, and stripping section also can make full use of the high temperature of smelting reduction and maintain higher temperature, compares independent dilution operation and decreases the power consumption in heating dilution chamber.This metallurgical furnace takes into account smelting reduction operation and dilution reduction operation, stores melt amount relatively large, and can increase the storage quantity of slag, and extend the storage slag time, be conducive to the separation of ferronickel (or other metals) and slag in stove.This metallurgical furnace can use coal as fuel and reducing agent, considerably reduce the use of electric energy or coke, and power consumption is only in identical production scale RKEF technique the 1/6～1/8 of electric furnace, and does not use coke.Adopt this metallurgical furnace, it is not necessary to build extensive power plant and can meet the power requirements of metallurgical process, not only reduce the cost smelting laterite, more greatly reduce the technical difficulty building laterite ore refinery in power-shortage area.
Accompanying drawing explanation
The Figure of description constituting the part of the application is used for providing being further appreciated by of the present utility model, and schematic description and description of the present utility model is used for explaining this utility model, is not intended that improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 illustrates the sectional structure schematic diagram along its center axis of the embodiment according to metallurgical furnace of the present utility model；
Fig. 2 illustrates the sectional structure schematic diagram of the A-A of Fig. 1；
Fig. 3 illustrates the sectional structure schematic diagram of the B-B of Fig. 1；
Fig. 4 illustrates the sectional structure schematic diagram of the C-C of Fig. 1.
Wherein, above-mentioned accompanying drawing includes the following drawings labelling:
10, body of heater；11, smelting reduction chamber；
12, dilution chamber；20, main burner；
30, lean polarizing electrode；40, side-blown spray gun；
50, oxygen coal burner；60, dam；
71, reinforced entrance；72, exhaust gases passes；
101, cupola well；102, furnace wall；
103, the first furnace roof；104, the second furnace roof；
121, metal discharge port；122, slag discharge port；
1021, furnace shell plate；1022, water jacket；
1023, refractory brick.
Detailed description of the invention
It should be noted that when not conflicting, the embodiment in the application and the feature in embodiment can be mutually combined.Describe this utility model below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
The central axis of body of heater 10 is the axis extended to dilution chamber 12 from smelting reduction chamber 11, and body of heater 10 is symmetrical arranged relative to this central axis.
As shown in Figures 1 to 4, the body of heater 10 of the metallurgical furnace of this utility model embodiment is formed with the smelting reduction chamber 11 and dilution chamber 12 that are interconnected, the cavity wall in smelting reduction chamber 11 is provided with the main burner 20 with its chamber, the Main Function in smelting reduction chamber 11 is to form the high-temperature region that heat is concentrated, herein, mineral aggregate is carried out material, main burner 20 for spraying into mineral aggregate melted mineral aggregate in smelting reduction chamber 11, the cavity wall in dilution chamber 12 is provided with multiple lean polarizing electrode 30, the end of multiple lean polarizing electrodes 30 is inserted in the fused solution in dilution chamber 12 so that fused solution is carried out dilution reduction, the cavity wall in dilution chamber 12 is provided with metal discharge port 121 and slag discharge port 122.
Mineral aggregate is sent in smelting reduction chamber 11 by this metallurgical furnace by main burner 20, and fuel and oxygen-containing gas is sprayed in smelting reduction chamber 11 by main burner 20 simultaneously.Fuel and the oxygen-containing gas combustion heat release of ejection are thus melt the mineral aggregate sprayed into simultaneously, and fuel is also used as the reducing agent mineral aggregate to spraying into and carries out partial reduction.Fused solution in smelting reduction chamber 11 after reduction, fused solution after oxidization-reduction enters in dilution chamber 12, by multiple lean polarizing electrodes 30, fused solution is carried out dilution process, thus fused solution clarification is layered as metal pat and slag blanket, again through metal discharge port 121 and slag discharge port 122, molten metal and slag are released respectively.Smelting reduction and dilution two metallurgical process of reduction can be carried out by metallurgical furnace of the present utility model respectively in the smelting reduction chamber 11 of a stove and dilution chamber 12, and floor space is little, decreases the configuration discrepancy in elevation；Reduce the construction investment of stove itself and Factory Building.Owing to smelting reduction and dilution two production links of reduction carry out in same metallurgical furnace, decrease directly discharge and add the operation of melt (i.e. fused solution), having higher production operational availability, operator and corresponding Work tool consumption can be reduced.Smelting reduction operation and dilution reduction operation all complete in a stove, and stripping section also can make full use of the high temperature of smelting reduction and maintain higher temperature, compares independent dilution operation and decreases the power consumption in heating dilution chamber 12.This metallurgical furnace takes into account smelting reduction operation and dilution reduction operation, stores melt amount relatively large, and can increase the storage quantity of slag, and extend the storage slag time, be conducive to the separation of ferronickel (or other metals) and slag in stove.This metallurgical furnace can use coal as fuel and reducing agent, considerably reduce the use of electric energy or coke, and power consumption is only in identical production scale RKEF technique the 1/6～1/8 of electric furnace, and does not use coke.Adopt this metallurgical furnace, it is not necessary to build extensive power plant and can meet the power requirements of metallurgical process, not only reduce the cost smelting laterite, more greatly reduce the technical difficulty building laterite ore refinery in power-shortage area.
nullSuch as Fig. 1、Shown in Fig. 2，The body of heater 10 of the present embodiment includes cupola well 101、Furnace wall 102、First furnace roof 103 and the second furnace roof 104，Cupola well 101、Furnace wall 102 and lid are located on furnace wall 102 between first furnace roof 103 and form smelting reduction chamber 11，Cupola well 101、Furnace wall 102 and lid are located on furnace wall 102 between second furnace roof 104 and form dilution chamber 12，Wherein，Furnace wall 102 includes furnace shell plate 1021、Water jacket 1022、Refractory brick 1023，Water jacket 1022 is arranged between furnace shell plate 1021 and refractory brick 1023 and (can be provided only on the lower area between furnace shell plate 1021 and refractory brick 1023 as shown in Figure 2，Also can at the Zone Full being arranged between furnace shell plate 1021 and refractory brick 1023)，And refractory brick 1023 contacts with fused solution.Equal compact siro spinning technology between water jacket 1022, refractory brick 1023, and the outside of water jacket 1022 and refractory brick 1023 encloses by furnace shell plate 1021 and forms, and the outside of furnace shell plate 1021 has skeleton again, and skeleton is integral, flexible skeleton technology.Therefore so that the structure of the body of heater 10 of metallurgical furnace is highly stable, and the life-span is long.Further; owing to the inner side overlapping 1022 into water inlayed by refractory brick 1023; refractory brick 1023 can well be carried out cooling protection by water jacket 1022; make inside refractory brick 1023, to be likely to form stable dross layer; dross layer is a kind of heat insulation good material, and refractory brick 1023 can be protected again further from melt attack.
Preferably, body of heater 10 is Long Circle or rectangular shape, owing to smelting reduction chamber 11 and dilution chamber 12 carry out different reduction treatments respectively, and, being provided with the side-blown spray gun 40 for stirring the fused solution in body of heater 10 on body of heater 10, the outlet of side-blown spray gun 40 is immersed in fused solution.In the present embodiment, the quantity of side-blown spray gun 40 is multiple, multiple side-blown spray guns 40 are oppositely disposed in the cavity wall in smelting reduction chamber 11 (certainly, in the embodiment that another is feasible, the quantity of side-blown spray gun 40 is multiple, the Part I of multiple side-blown spray guns 40 is arranged in first cavity wall in smelting reduction chamber 11, the Part II of multiple side-blown spray guns 40 is arranged in second cavity wall relative with the first cavity wall in smelting reduction chamber 11, and Part I side-blown spray gun 40 is arranged alternately with Part II side-blown spray gun 40).Preferably, in the fused solution in smelting reduction chamber 11, reducing agent is sprayed into by side-blown spray gun 40, therefore, after the mineral aggregate sent in smelting reduction chamber 11 is melted, then through the side-blown spray gun 40 on furnace wall 102, fused solution is being stirred, making fused solution at metallurgical furnace internal circulation flow, such fused solution would not stop in metallurgical furnace and cause local solidification, it is ensured that the molten metal composition that fused solution is clarified after layering in dilution chamber 12 is uniform.And, the body of heater 10 of Long Circle or rectangular shape, fused solution in the furnace chamber at body of heater 10 two ends place is not owing to being subject to the agitaion of side-blown spray gun 40, the fused solution flowing at this place is shallower, further, owing to side-blown spray gun 40 is provided on the furnace wall 102 in smelting reduction chamber 11, namely side-blown spray gun 40 is away from dilution chamber 12, when the fused solution of flowing flows in dilution chamber 12, the flowing velocity of fused solution is more mild, and this is conducive to fused solution to carry out clarified separation herein is metal pat and slag blanket.In the present embodiment, side-blown spray gun 40 sprays into pure oxygen and coal dust, carries out submersible burning, it is provided that high temperature in fused solution, utilizes burned flame to stir fused solution simultaneously, accelerates mass-and heat-transfer, improves metallurgical production efficiency.
As depicted in figs. 1 and 2, main burner 20 is arranged on the first furnace roof 103 cavity wall of smelting reduction chamber 11 (cupola well 101, furnace wall 102 and first furnace roof 103 are collectively forming), namely main burner 20 adopts the mode that top is installed, and is sent into from the top of body of heater 10 by mineral aggregate.The main burner 20 of the present embodiment is feed nozzle, is also burner, also sprays in smelting reduction chamber 11 by fuel and oxygen-containing gas while sending into mineral aggregate, can be melted by mineral aggregate rapidly by the burning of fuel and oxygen-containing gas.Further, body of heater 10 is additionally provided with the oxygen coal burner 50 for fused solution carries out further temperature raising.The oxygen coal burner 50 temperature in the furnace chamber of body of heater 10 carries out burning concurrent heating when can not meet, thus the metallurgy high temperature ensured in furnace chamber, now, oxygen coal burner 50 only starts use when needed.Certainly, oxygen coal burner 50 can also use with main burner 20 synchronous averaging, and now, after mineral aggregate is sent into by main burner 20, owing to oxygen coal burner 50 adopts pure oxygen and coal dust firing, flame temperature is high, forms high-heat strength, is conducive to further quickly material.Certainly, oxygen coal burner 50 carries out combustion heat supplying after can also applying natural gas and oxygen-containing gas (such as air or pure oxygen gas) mixing.In the present embodiment, multiple lean polarizing electrodes 30 are spaced apart and arranged on the second furnace roof 104.
As shown in Figure 1 to Figure 3, in order to reduce in dilution chamber 12 tenor of the slag after clarified separation, therefore, dam 60 it is provided with in body of heater 10, the two ends of dam 60 are connected on the inwall of body of heater 10 across ground, a part for dam 60 is immersed in fused solution, and another part stretches out the liquid level of fused solution, and multiple lean polarizing electrode 30 is respectively positioned on the side away from smelting reduction chamber 11 of dam 60.After the mild fused solution clarified separation in dilution chamber 12 that flows is metal pat and slag blanket, slag blanket floats on metal pat, now the tenor of the slag after dilution, clarified separation is relatively low, and due to the agitaion of fused solution, the slag at this place can again flow in smelting reduction chamber 11 under agitaion and mix with the fused solution in smelting reduction chamber 11, so mixed slag tenor raises, and is unfavorable for from discharge.The present embodiment utilizes dam 60 to be intercepted by slag mild for flowing and cannot flow back to and mix in smelting reduction chamber 11 in dilution chamber 12, and now the tenor of slag is low, is conducive to improving the comprehensive recovery smelted.
Preferably, first furnace roof 103 of the present embodiment offers reinforced entrance 71.While sending into mineral aggregate by main burner 20, also reinforced entrance 71 is utilized to carry out the interpolation of lump coal, block, after these lump coal, block add smelting reduction chamber 11, supplementing advantageous as redox reaction herein, improve the smelting reduction effect in smelting reduction chamber 11 further.Certainly, reinforced entrance 71 can also offer several according to smelting scale on the first furnace roof 103.
As shown in figures 1 and 3, the flue gas in two regions can mixed processing, build smelting reduction operation and dilution reduction operation two overlaps the investment of smoke processing system to reduce, therefore, between the first furnace roof 103 and the second furnace roof 104, be provided with exhaust gases passes 72.Owing to being interconnected between smelting reduction chamber 11 and dilution chamber 12, and exhaust gases passes 72 is arranged between smelting reduction chamber 11 and dilution chamber 12, so, the flue gas produced in the furnace chamber of body of heater 10 just can pass through an exhaust gases passes 72 and discharge, what decrease exhaust gases passes 72 arranges quantity, and then decrease the quantity of follow-up smoke processing system, decrease the investment of stove itself and follow-up smoke processing system.
When body of heater 10 is installed, furnace body frame structure (not shown) is utilized to be fixed body of heater 10.In the present embodiment, furnace body frame structure includes steel column, crossbeam and pull bar, steel column respectively arranges multiple in body of heater 10 both sides of Long Circle or rectangular shape, and connected by crossbeam between the steel column of the same side and remain stable, pull bar is arranged on the first furnace roof 103 and the second furnace roof 104, and the bottom of the cupola well 101 of Long Circle or rectangular shape body of heater 10 is provided with furnace foundation, cupola well 101 is formed and supports by furnace foundation, couple together to maintain stablizing of steel column by the steel column of both sides by pull bar and crossbeam, thus realizing the stable installation of body of heater 10.
As can be seen from the above description, this utility model the above embodiments achieve following technique effect:
1, the floor space of this metallurgical furnace is little, the configuration discrepancy in elevation decreasing body of heater 10 (namely decreases the discrepancy in elevation between the furnace wall 102 at smelting reduction chamber 11 place and the furnace wall 102 at dilution chamber 12 place, in the present embodiment, the furnace wall 102 at smelting reduction chamber 11 place is highly higher than furnace wall 102 height at dilution chamber 12 place), decrease the construction investment of metallurgical furnace itself and Factory Building；Carry out respectively owing to smelting reduction being processed to process with dilution by metallurgical process, decrease fused solution discharge and the operation added relative to prior art, there is higher production efficiency, operator and the consumption of corresponding multiplexer can be reduced；The body of heater 10 of metallurgical furnace takes into account smelting reduction and dilution reduction operation, and in the furnace chamber of body of heater 10, the volume of storage fused solution is relatively large, adds the storage slag time, is conducive to the clarified separation of metal pat and slag blanket；Further, the flue gas in 12 two regions in smelting reduction chamber 11 and dilution chamber can be mixed and processed by an exhaust gases passes 72, decreases and builds one_to_one corresponding and build the investments of two set smoke processing systems.
2, using coal as fuel and reducing agent, considerably reducing the use of electric energy, power consumption is only the 1/8～1/6 of identical production scale electric furnace, and metallurgical furnace of the present utility model does not use coke.
3, preferred, main burner 20 of the present utility model, side-blown spray gun 40 and oxygen coal burner 50 all adopt pure oxygen and coal dust to burn, and ignition temperature is high, and efficiency of combustion is high.
4, applying metallurgical furnace of the present utility model and carry out metallurgical process operation, mineral aggregate is processed strong adaptability by metallurgical furnace, except laterite calcining, for instance lateritic nickel ore, it is also possible to process other cannot the oxide ore of self-heating, and various slag or secondary mineral material.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for a person skilled in the art, this utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment of making, equivalent replacement, improvement etc., should be included within protection domain of the present utility model.
Claims (10)
1. a metallurgical furnace, it is characterized in that, the body of heater (10) of described metallurgical furnace is formed with the smelting reduction chamber (11) and dilution chamber (12) that are interconnected, the cavity wall of described smelting reduction chamber (11) is provided with the main burner (20) with its chamber, described main burner (20) for spraying into mineral aggregate melted described mineral aggregate in described smelting reduction chamber (11), the cavity wall of described dilution chamber (12) is provided with multiple lean polarizing electrode (30), the end of multiple described lean polarizing electrodes (30) is inserted in the fused solution in described dilution chamber (12) so that described fused solution is carried out dilution reduction, the cavity wall of described dilution chamber (12) is provided with metal discharge port (121) and slag discharge port (122).
null2. metallurgical furnace according to claim 1，It is characterized in that，Described body of heater (10) includes cupola well (101)、Furnace wall (102)、First furnace roof (103) and the second furnace roof (104)，Described cupola well (101)、Described furnace wall (102) and lid are located between upper described first furnace roof (103) of described furnace wall (102) and form described smelting reduction chamber (11)，Described cupola well (101)、Described furnace wall (102) and lid are located between upper described second furnace roof (104) of described furnace wall (102) and form described dilution chamber (12)，Wherein，Described furnace wall (102) includes furnace shell plate (1021)、Water jacket (1022)、Refractory brick (1023)，Described water jacket (1022) is arranged between described furnace shell plate (1021) and described refractory brick (1023)，And described refractory brick (1023) contacts with described fused solution.
3. metallurgical furnace according to claim 2, it is characterised in that described main burner (20) is arranged on described first furnace roof (103).
4. metallurgical furnace according to claim 2, it is characterised in that described body of heater (10) is Long Circle or rectangular shape, and the outside of described water jacket (1022) encloses by described furnace shell plate (1021) and forms.
5. metallurgical furnace according to claim 1, it is characterized in that, being provided with the side-blown spray gun (40) for stirring the described fused solution in described body of heater (10) on described body of heater (10), the outlet of described side-blown spray gun (40) is immersed in described fused solution.
6. metallurgical furnace according to claim 5, it is characterised in that
The quantity of described side-blown spray gun (40) is multiple, and multiple described side-blown spray guns (40) are oppositely disposed in the cavity wall of described smelting reduction chamber (11)；
Or, the quantity of described side-blown spray gun (40) is multiple, the Part I of multiple described side-blown spray guns (40) is arranged in the first cavity wall of described smelting reduction chamber (11), the Part II of multiple described side-blown spray guns (40) is arranged in second cavity wall relative with described first cavity wall of described smelting reduction chamber (11), and side-blown spray gun described in Part I (40) is arranged alternately with side-blown spray gun (40) described in Part II.
7. metallurgical furnace according to claim 1, it is characterised in that be additionally provided with oxygen coal burner (50) for described fused solution being carried out concurrent heating on described body of heater (10).
8. metallurgical furnace according to claim 1, it is characterized in that, dam (60) it is provided with in described body of heater (10), a part for described dam (60) is immersed in described fused solution, another part stretches out the liquid level of described fused solution, and multiple described lean polarizing electrode (30) is respectively positioned on the side away from described smelting reduction chamber (11) of described dam (60).
9. metallurgical furnace according to claim 2, it is characterised in that offer reinforced entrance (71) on described first furnace roof (103).
10. metallurgical furnace according to claim 2, it is characterized in that, between described first furnace roof (103) and described second furnace roof (104), be provided with exhaust gases passes (72) shared between described smelting reduction chamber (11) and described dilution chamber (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620066482.5U CN205383888U (en) | 2016-01-22 | 2016-01-22 | Metallurgical furnace |
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| CN201620066482.5U CN205383888U (en) | 2016-01-22 | 2016-01-22 | Metallurgical furnace |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106996695A (en) * | 2016-01-22 | 2017-08-01 | 中国恩菲工程技术有限公司 | A kind of metallurgical furnace |
| CN107036443A (en) * | 2017-05-19 | 2017-08-11 | 中国恩菲工程技术有限公司 | Electric heating dilution stove |
-
2016
- 2016-01-22 CN CN201620066482.5U patent/CN205383888U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106996695A (en) * | 2016-01-22 | 2017-08-01 | 中国恩菲工程技术有限公司 | A kind of metallurgical furnace |
| CN107036443A (en) * | 2017-05-19 | 2017-08-11 | 中国恩菲工程技术有限公司 | Electric heating dilution stove |
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