CN104894377A - Top-blowing and side-blowing continuous melting device and top-blowing and side-blowing continuous melting method - Google Patents
Top-blowing and side-blowing continuous melting device and top-blowing and side-blowing continuous melting method Download PDFInfo
- Publication number
- CN104894377A CN104894377A CN201510329283.9A CN201510329283A CN104894377A CN 104894377 A CN104894377 A CN 104894377A CN 201510329283 A CN201510329283 A CN 201510329283A CN 104894377 A CN104894377 A CN 104894377A
- Authority
- CN
- China
- Prior art keywords
- oxidation
- blown
- zone
- blowing
- spray gun
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
The invention discloses a top-blowing and side-blowing continuous melting device and a top-blowing and side-blowing continuous melting method. The top-blowing and side-blowing continuous melting device comprises a furnace body with a furnace chamber, a top blowing spray gun, and a side blowing spray gun, wherein a sedimentation tank is arranged at the lower part of the furnace chamber; a partition piece is arranged in the furnace chamber, so as to partition the furnace chamber into an oxidation area and a reduction area which are communicated with each other; a first smoke outlet, a top blowing opening and a feeding opening are formed in the top wall, opposite to the oxidation area, of the furnace chamber; a second smoke outlet is formed in the top wall, opposite to the reduction area, of the furnace chamber; a discharge opening is formed in the bottom wall or one side wall of the oxidation area; a side blowing opening and a slag discharge opening are formed in one side wall of the reduction area; the top blowing spray gun is arranged in the top blowing opening; the outlet of the top blowing spray gun is immersed in a first oxidation slag layer in the oxidation area; the side blowing spray gun is arranged in the side blowing opening. The top-blowing and side-blowing continuous melting device is high in melting strength and efficiency, low in investment, small in occupied area, simple and compact in structure, low in energy consumption, efficient, safe and environmentally-friendly in operation, high in raw material adaptability, and the like.
Description
Technical field
The present invention relates to Metal smelting field, in particular to top blast side-blown melting continuously device, also relate to top blast side-blown melting continuously method.
Background technology
Due to continually developing of Mineral resources, mine reserve and grade are all on a declining curve.On the one hand, smelting enterprise starts to process multi-metal complex associated minerals gradually, meanwhile produces a large amount of waste residue, secondary material (as flue dust, sour mud and electroplating sludge etc.) containing valuable metal.On the other hand, the raw material of smelting enterprise extends to enormous amount, the association of many metals, the various metallurgical intermediate material that valuable element content is low, metallurgical refining slag, metallurgical water slag, leached mud gradually.
Summary of the invention
The present invention is intended to solve one of technical problem in correlation technique at least to a certain extent.For this reason, the present invention proposes a kind of top blast side-blown melting continuously device with the strong advantage of adaptability to raw material.
The present invention also proposes a kind of top blast side-blown melting continuously method with the strong advantage of adaptability to raw material.
The top blast side-blown melting continuously device of embodiment comprises according to a first aspect of the present invention: body of heater, in described body of heater, there is furnace chamber, the down structure of described furnace chamber becomes settling tank, partition member is provided with described settling tank to be separated into the oxidation zone and reduction zone that communicate with each other in described furnace chamber, the roof relative with described oxidation zone of described furnace chamber is provided with the first smoke outlet, top blast mouth and the charging opening for adding raw material and flux to described oxidation zone, the roof relative with described reduction zone of described furnace chamber is provided with the second smoke outlet, diapire or the sidewall of described oxidation zone are provided with discharge port, the sidewall of described reduction zone is provided with side-blown mouth and slag notch, for spraying into the top-blown spray gun of fuel and oxygen-containing gas in the first oxidation slag blanket of described oxidation zone, described top-blown spray gun is located at described top blast mouth place, and the outlet of described top-blown spray gun is immersed in the first oxidation slag blanket of described oxidation zone, with the side-blown spray gun for spraying into fuel, air and reductive agent in the second oxidation slag blanket of described reduction zone, described side-blown spray gun is located at described side-blown mouth place.
Top blast side-blown melting continuously device according to the embodiment of the present invention has the strong advantage of adaptability to raw material.
In addition, top blast side-blown melting continuously device according to the above embodiment of the present invention can also have following additional technical characteristic:
According to one embodiment of present invention, the roof relative with described reduction zone of described furnace chamber is provided with reductive agent entrance.
According to one embodiment of present invention, the diapire of the lower end of described partition member and described settling tank spaced a predetermined distance.
According to one embodiment of present invention, the lower end of described partition member is connected with the diapire of described settling tank, and described partition member is provided with the communicating passage for being communicated with described oxidation zone and described reduction zone.
According to one embodiment of present invention, described partition member is fire-resisting partition, is provided with watercooling jacket or described fire-resisting partition is water-cooled fire-resisting partition in described fire-resisting partition.
According to one embodiment of present invention, the roof relative with described oxidation zone of described furnace chamber is provided with oxygen-containing gas entrance.
According to one embodiment of present invention, described side-blown mouth is multiple, and described side-blown spray gun is multiple, and multiple described side-blown spray gun is located at multiple described side-blown mouth place correspondingly, and wherein multiple described side-blown mouth is arranged equally spacedly.
According to one embodiment of present invention, each in the wall of described oxidation zone and the wall of described reduction zone is provided with refractory protection, and inwall or the outer wall of described refractory protection are provided with watercooling jacket.
The top blast side-blown melting continuously method that the top blast side-blown melting continuously device that the utilization of embodiment is described according to a first aspect of the present invention is according to a second aspect of the present invention implemented, described top blast side-blown melting continuously method comprises the following steps:
Raw material and flux are mixed in proportion, wherein said raw material be selected from copper ore concentrates, nickel ore concentrate, lead ore concentrate, metallurgical water slag, metallurgical refining slag, leached mud, metallurgical intermediate material, flue dust, sour mud, electroplating sludge one or more;
Described raw material and described flux is added to oxidation zone by charging opening, described raw material and described flux drop on the first oxidation slag blanket of described oxidation zone, and utilize top-blown spray gun fuel and oxygen-containing gas to be injected in the first oxidation slag blanket of described oxidation zone, to carry out oxidizing semlting to described raw material and to produce melt, described melt forms the first oxidation slag blanket and the first crude metal layer in described oxidation zone;
Oxidation sludge in described oxidation zone to enter in reduction zone and forms the second oxidation slag blanket;
Described side-blown spray gun is utilized fuel, air and reductive agent to be injected in described second oxidation slag blanket, to carry out retailoring to the oxidation sludge in described reduction zone and to produce reducing slag and crude metal; With
Described reducing slag is discharged by slag notch, and described crude metal to be entered in described oxidation zone and discharged by discharge port with the crude metal in described oxidation zone.
Top blast side-blown melting continuously method according to the embodiment of the present invention has the strong advantage of adaptability to raw material.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the structural representation of the top blast side-blown melting continuously device according to the embodiment of the present invention;
Fig. 2 is the schema of the top blast side-blown melting continuously method according to the embodiment of the present invention.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
Because the physical properties of different metal and chemical property exist very big-difference, therefore also there is very big-difference in the smelting device of different metal.If directly utilize a kind of smelting device of metal to smelt another kind of metal, so not only can cause smelting unsuccessfully, even also can cause work safety accident.
Below with reference to the accompanying drawings top blast side-blown melting continuously device 10 according to the embodiment of the present invention is described.As shown in Figure 1, body of heater 101, top-blown spray gun (not shown) and side-blown spray gun (not shown) is comprised according to the top blast side-blown melting continuously device 10 of the embodiment of the present invention.
Have furnace chamber 1011 in body of heater 101, the down structure of furnace chamber 1011 becomes settling tank 1012.In other words, settling tank 1012 is formed at the bottom of furnace chamber 1011.That is, the bottom of furnace chamber 1011 is settling tank 1012.Partition member 1013 is provided with settling tank 1012 to be separated into the oxidation zone 1014 and reduction zone 1015 that communicate with each other in furnace chamber 1011.The roof relative with oxidation zone 1014 of furnace chamber 1011 is provided with the first smoke outlet (not shown), top blast mouth 1016 and the charging opening 1017 for adding raw material and flux to oxidation zone 1014.The roof relative with reduction zone 1015 of furnace chamber 1011 is provided with the second smoke outlet (not shown).The diapire of oxidation zone 1014 or sidewall are provided with discharge port 1020, and the sidewall of reduction zone 1015 is provided with side-blown mouth 1018 and slag notch 1019.
Top-blown spray gun is located at top blast mouth 1016 place, and the outlet of top-blown spray gun is immersed in the first oxidation slag blanket L1 of oxidation zone 1014.Top-blown spray gun is used for spraying into fuel and oxygen-containing gas in the first oxidation slag blanket L1 of oxidation zone 1014.Side-blown spray gun is located at side-blown mouth 1018 place, and side-blown spray gun is used for spraying into fuel, air and reductive agent in the second oxidation slag blanket L2 of reduction zone 1015.
Below with reference to Fig. 1 and Fig. 2, the top blast side-blown melting continuously method according to the embodiment of the present invention is described.Top blast side-blown melting continuously method according to the embodiment of the present invention is implemented by the top blast side-blown melting continuously device 10 according to the embodiment of the present invention.
Top blast side-blown melting continuously method according to the embodiment of the present invention comprises the following steps:
Raw material and flux are mixed in proportion, this raw material be selected from copper ore concentrates, nickel ore concentrate, lead ore concentrate, metallurgical refining slag, metallurgical water slag, leached mud, metallurgical intermediate material, flue dust, sour mud, electroplating sludge one or more;
Raw material and flux is added to oxidation zone 1014 by charging opening 1017, raw material and flux drop on the first oxidation slag blanket L1 of oxidation zone 1014, and utilize top-blown spray gun fuel and oxygen-containing gas to be injected in the first oxidation slag blanket L1 of oxidation zone 1014, to carry out oxidizing semlting to raw material and to produce melt, melt forms the first oxidation slag blanket L1 and the first crude metal layer L3 in oxidation zone 1014;
Oxidation sludge in oxidation zone 1014 to enter in reduction zone 1015 and forms the second oxidation slag blanket L2;
Side-blown spray gun is utilized fuel, air and reductive agent to be injected in the second oxidation slag blanket L2, to carry out retailoring to the oxidation sludge in reduction zone 1015 and to produce reducing slag and crude metal; With
Reducing slag is discharged by slag notch 1019, and crude metal to be entered in oxidation zone 1014 and discharged by discharge port 1020 with the crude metal in oxidation zone 1014.
According to the top blast of embodiment of the present invention side-blown melting continuously device 10 by arranging the oxidation zone 1014 and reduction zone 1015 that to be divided into by settling tank 1012 and to communicate with each other in furnace chamber 1011, thus can in oxidation zone 1014, complete oxidizing semlting and complete retailoring in reduction zone 1015.The smelting process comprising oxidizing semlting and retailoring can be made thus successfully, continuously to carry out in top blast side-blown melting continuously device 10, thus not only can improve combustion intensity and efficiency, and compare with the smelting device of reduction furnace with the existing oxidized still that comprises, top blast side-blown melting continuously device 10 has the advantages such as investment is little, floor space is little.
And, can ensure that oxidizing reaction and reduction reaction are successfully carried out according to the top blast of embodiment of the present invention side-blown melting continuously device 10 compact construction, make use of the latent heat of melt efficiently, there is energy-efficient advantage.By top-blown spray gun and side-blown spray gun injecting substances, melt can be stirred react, significantly improve the thermodynamics of reaction, dynamic conditions, reaction is carried out efficiently, shorten the operating time, heat leaks few, and the freezing air simultaneously bled is few, saving the fuel consumption for maintaining furnace temperature, making operation safer.
Due to continually developing of Mineral resources, mine reserve and grade are all on a declining curve.On the one hand, smelting enterprise starts to process multi-metal complex associated minerals gradually, meanwhile produces a large amount of waste residue, secondary material (as flue dust, sour mud and electroplating sludge etc.) containing valuable metal.On the other hand, the raw material of smelting enterprise extends to enormous amount, the association of many metals, the various metallurgical intermediate material that valuable element content is low, metallurgical refining slag, metallurgical water slag, leached mud gradually.
According to the top blast of embodiment of the present invention side-blown melting continuously device 10 by utilizing one or more in copper ore concentrates, nickel ore concentrate, lead ore concentrate, metallurgical refining slag, metallurgical water slag, leached mud, metallurgical intermediate material, flue dust, sour mud, electroplating sludge as raw material, thus there is the strong advantage of adaptability to raw material.
Therefore, the advantage such as have that combustion intensity is high, efficiency is high, it is little to invest, floor space is little according to the top blast of embodiment of the present invention side-blown melting continuously device 10, simple and compact for structure, efficient energy-saving, operational safety environmental protection, adaptability to raw material are strong.
The advantage such as have that combustion intensity is high, efficiency is high according to the top blast of embodiment of the present invention side-blown melting continuously method, efficient energy-saving, operational safety environmental protection, adaptability to raw material are strong.
As shown in Figure 1, body of heater 101 is comprised, for spraying into the top-blown spray gun of fuel and oxygen-containing gas and the side-blown spray gun for spraying into fuel, air and reductive agent in the second oxidation slag blanket L2 of reduction zone 1015 in the first oxidation slag blanket L1 of oxidation zone 1014 according to the top blast side-blown melting continuously device 10 of some embodiments of the present invention.
Have furnace chamber 1011 in body of heater 101, the down structure of furnace chamber 1011 becomes settling tank 1012.Partition member 1013 is provided with settling tank 1012 to be separated into the oxidation zone 1014 and reduction zone 1015 that communicate with each other in furnace chamber 1011.That is, partition member 1013 is provided with in furnace chamber 1011, furnace chamber 1011 is divided into oxidation chamber and reduction chamber by partition member 1013, the down structure of this oxidation chamber becomes (formation) oxidation zone 1014, the down structure in this reduction chamber becomes (formation) reduction zone 1015, and oxidation zone 1014 and reduction zone 1015 communicate with each other.In other words, the body of heater 101 of top blast side-blown melting continuously device 10 can be the twin furnace type of furnace.
The part be positioned at above oxidation zone 1014 of this oxidation chamber can be vertical type cylinder shape structure.The size of oxidation zone 1014 (diameter, highly, aspect ratio) can carry out reasonable adjusting according to the type of process raw material and number change.
The settling tank 1012 of body of heater 101 can be oval, circular or rectangle.The size of settling tank 1012 can carry out reasonable adjusting according to oxidation zone 1014 and the size of reduction zone 1015 and the type of process raw material and number change.Preferably, settling tank 1012 is oval.
Advantageously, each in the wall of oxidation zone 1014 and the wall of reduction zone 1015 is provided with refractory protection, and inwall or the outer wall of this refractory protection are provided with watercooling jacket.The work-ing life of top blast side-blown melting continuously device 10 can be extended thus.
The roof relative with oxidation zone 1014 of furnace chamber 1011 is provided with this first smoke outlet, top blast mouth 1016 and the charging opening 1017 for adding raw material and flux to oxidation zone 1014.In other words, the roof of this oxidation chamber is provided with this first smoke outlet, top blast mouth 1016 and charging opening 1017.The roof relative with reduction zone 1015 of furnace chamber 1011 is provided with this second smoke outlet.That is, the roof in this reduction chamber is provided with this second smoke outlet.
Be added in oxidation zone 1014 by charging opening 1017 after raw material and flux are mixed in proportion, this raw material and this flux drop on the first oxidation slag blanket L1 of oxidation zone 1014.
This raw material be selected from copper ore concentrates, nickel ore concentrate, lead ore concentrate, metallurgical refining slag, metallurgical water slag, leached mud, metallurgical intermediate material, flue dust, sour mud, electroplating sludge one or more.This flux can be quartz sand or Wingdale, and described flux can also be the mixture of quartz sand and Wingdale.
Top-blown spray gun is located at top blast mouth 1016 place, and the outlet of top-blown spray gun is immersed in the first oxidation slag blanket L1 of oxidation zone 1014.Fuel and oxygen-containing gas spray in the first oxidation slag blanket L1 of oxidation zone 1014 by top-blown spray gun.This oxygen-containing gas stir oxidation zone 1014 oxidation sludge (slag blanket melt) and with this raw material generation metallurgical reaction.
Wherein, this oxygen-containing gas can be oxygen rich gas, and the oxygen level of this oxygen rich gas can be 25v%-80v% (volume percent), this fuel can be selected from fine coal, Sweet natural gas and heavy oil one or more.
Advantageously, top-blown spray gun also sprays into pressurized air in first of oxidation zone 1014 the oxidation slag blanket L1.This pressurized air and this oxygen-containing gas can be utilized thus to stir the oxidation sludge (slag blanket melt) of oxidation zone 1014, thus thermodynamics, the dynamic conditions of reaction can be improved further, reaction is carried out more efficiently, shortens the operating time further.
In oxidation zone 1014, carry out oxidizing semlting to this raw material and produce melt (this melt comprises oxidation sludge and crude metal), this melt forms the first oxidation slag blanket L1 and and is positioned at the first crude metal layer L3 below the first oxidation slag blanket L1 in oxidation zone 1014.Wherein, the oxidation sludge forming the first oxidation slag blanket L1 to enter in reduction zone 1015 and forms the second oxidation slag blanket L2.
As shown in Figure 1, the sidewall of reduction zone 1015 is provided with side-blown mouth 1018, and side-blown spray gun is located at side-blown mouth 1018 place.
Side-blown spray gun is utilized to spray into fuel, air and reductive agent, to carry out retailoring to the oxidation sludge in reduction zone 1015 and to produce reducing slag and crude metal in the second oxidation slag blanket L2 of reduction zone 1015.Wherein, this crude metal forms the second crude metal layer L4 be positioned at below the second oxidation slag blanket L2.Wherein, this fuel can be selected from one or more in fine coal, Sweet natural gas and heavy oil.
Advantageously, side-blown spray gun also sprays into pressurized air in second of reduction zone 1015 the oxidation slag blanket L2.This pressurized air can be utilized thus to stir the oxidation sludge (slag blanket melt) of reduction zone 1015, thus thermodynamics, the dynamic conditions of reaction can be improved further, reaction be carried out more efficiently, shortens the operating time further.
In a concrete example of the present invention, as shown in Figure 1, side-blown mouth 1018 is multiple, and side-blown spray gun is multiple, and multiple side-blown spray gun is located at multiple side-blown mouth 1018 place correspondingly.Wherein, multiple side-blown mouth 1018 is arranged equally spacedly.Retailoring can be carried out more rapidly, fully, equably thus to the oxidation sludge in reduction zone 1015.
As shown in Figure 1, the roof relative with reduction zone 1015 of furnace chamber 1011 is provided with reductive agent entrance 1021.In other words, the roof in this reduction chamber is provided with reductive agent entrance 1021.Reductive agent can be added by reductive agent entrance 1021 in reduction zone 1015 thus, thus retailoring can be carried out to the oxidation sludge in reduction zone 1015 more fully, strengthening reduction effect.The reductive agent added by reductive agent entrance 1021 can be particulate solid reductive agent, such as coke, lump coal etc.
As shown in Figure 1, the diapire of oxidation zone 1014 or sidewall are provided with discharge port 1020, and the sidewall of reduction zone 1015 is provided with slag notch 1019.This reducing slag is discharged by slag notch 1019, and the crude metal that retailoring oxidation sludge obtains to be entered in oxidation zone 1014 and discharged by discharge port 1020 with the crude metal in oxidation zone 1014.
In examples more of the present invention, as shown in Figure 1, the diapire of the lower end of partition member 1013 and settling tank 1012 spaced a predetermined distance.In other words, the diapire of the lower end of partition member 1013 and furnace chamber 1011 spaced a predetermined distance.The communicating passage for being communicated with oxidation zone 1014 and reduction zone 1015 can be formed thus between the lower end of partition member 1013 and the diapire (diapire of furnace chamber 1011) of settling tank 1012, the oxidation sludge forming the first oxidation slag blanket L1 can enter in reduction zone 1015 by this communicating passage, and the crude metal that retailoring oxidation sludge obtains can enter into oxidation zone 1014 by this communicating passage.
In one embodiment of the invention, the lower end of partition member 1013 is connected with the diapire of settling tank 1012, partition member 1013 is provided with the communicating passage for being communicated with oxidation zone 1014 and reduction zone 1015, the oxidation sludge forming the first oxidation slag blanket L1 can enter in reduction zone 1015 by this communicating passage, and the crude metal that retailoring oxidation sludge obtains can enter into oxidation zone 1014 by this communicating passage.
Advantageously, partition member 1013 can be fire-resisting partition, is provided with watercooling jacket or this fire-resisting partition is water-cooled fire-resisting partition in this fire-resisting partition.
The position of partition member 1013 in furnace chamber 1011 is not particularly limited, and can carry out reasonable adjusting according to the width of reduction zone 1015, and the width of reduction zone 1015 can carry out reasonable adjusting according to the type of process raw material and number change.
In an example of the present invention, the roof relative with oxidation zone 1014 of furnace chamber 1011 is provided with oxygen-containing gas entrance (not shown), and namely the roof of this oxidation chamber is provided with this oxygen-containing gas entrance.Air can be injected by the upper space to oxidation zone 1014 thus, to supply combustion reactions, thus ensure harmful substances from flue gases Thorough combustion.
To process copper ore concentrates, implement according to the major technique operational condition of the top blast side-blown melting continuously method of the embodiment of the present invention as follows:
The product obtained is:
Product: crude metal.
Byproduct: slag, flue gas and flue dust.
Implement according to the main economic and technical indices of the top blast side-blown melting continuously method of the embodiment of the present invention as follows:
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", " counterclockwise ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In describing the invention, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection or each other can communication; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements, unless otherwise clear and definite restriction.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary indirect contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " can be fisrt feature immediately below second feature or tiltedly below, or only represent that fisrt feature level height is less than second feature.
In the description of this specification sheets, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this specification sheets or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, revises, replace and modification.
Claims (9)
1. a top blast side-blown melting continuously device, is characterized in that, comprising:
Body of heater, in described body of heater, there is furnace chamber, the down structure of described furnace chamber becomes settling tank, partition member is provided with described settling tank to be separated into the oxidation zone and reduction zone that communicate with each other in described furnace chamber, the roof relative with described oxidation zone of described furnace chamber is provided with the first smoke outlet, top blast mouth and the charging opening for adding raw material and flux to described oxidation zone, the roof relative with described reduction zone of described furnace chamber is provided with the second smoke outlet, diapire or the sidewall of described oxidation zone are provided with discharge port, and the sidewall of described reduction zone is provided with side-blown mouth and slag notch;
For spraying into the top-blown spray gun of fuel and oxygen-containing gas in the first oxidation slag blanket of described oxidation zone, described top-blown spray gun is located at described top blast mouth place, and the outlet of described top-blown spray gun is immersed in the first oxidation slag blanket of described oxidation zone; With
For spraying into the side-blown spray gun of fuel, air and reductive agent in the second oxidation slag blanket of described reduction zone, described side-blown spray gun is located at described side-blown mouth place.
2. top blast side-blown melting continuously device according to claim 1, it is characterized in that, the roof relative with described reduction zone of described furnace chamber is provided with reductive agent entrance.
3. top blast side-blown melting continuously device according to claim 1, it is characterized in that, the lower end of described partition member and the diapire of described settling tank are spaced a predetermined distance.
4. top blast side-blown melting continuously device according to claim 1, it is characterized in that, the lower end of described partition member is connected with the diapire of described settling tank, and described partition member is provided with the communicating passage for being communicated with described oxidation zone and described reduction zone.
5. top blast according to claim 1 side-blown melting continuously device, it is characterized in that, described partition member is fire-resisting partition, is provided with watercooling jacket or described fire-resisting partition is water-cooled fire-resisting partition in described fire-resisting partition.
6. top blast side-blown melting continuously device according to claim 1, it is characterized in that, the roof relative with described oxidation zone of described furnace chamber is provided with oxygen-containing gas entrance.
7. the top blast side-blown melting continuously device according to any one of claim 1-6, it is characterized in that, described side-blown mouth is multiple, and described side-blown spray gun is multiple, multiple described side-blown spray gun is located at multiple described side-blown mouth place correspondingly, and wherein multiple described side-blown mouth is arranged equally spacedly.
8. the top blast side-blown melting continuously device according to any one of claim 1-7; it is characterized in that; each in the wall of described oxidation zone and the wall of described reduction zone is provided with refractory protection, and inwall or the outer wall of described refractory protection are provided with watercooling jacket.
9. the top blast side-blown melting continuously method utilizing the top blast side-blown melting continuously device according to any one of claim 1-8 to implement, is characterized in that, described top blast side-blown melting continuously method comprises the following steps:
Raw material and flux are mixed in proportion, wherein said raw material be selected from copper ore concentrates, nickel ore concentrate, lead ore concentrate, metallurgical water slag, metallurgical refining slag, leached mud, metallurgical intermediate material, flue dust, sour mud, electroplating sludge one or more;
Described raw material and described flux is added to oxidation zone by charging opening, described raw material and described flux drop on the first oxidation slag blanket of described oxidation zone, and utilize top-blown spray gun fuel and oxygen-containing gas to be injected in the first oxidation slag blanket of described oxidation zone, to carry out oxidizing semlting to described raw material and to produce melt, described melt forms the first oxidation slag blanket and the first crude metal layer in described oxidation zone;
Oxidation sludge in described oxidation zone to enter in reduction zone and forms the second oxidation slag blanket;
Described side-blown spray gun is utilized fuel, air and reductive agent to be injected in described second oxidation slag blanket, to carry out retailoring to the oxidation sludge in described reduction zone and to produce reducing slag and crude metal; With
Described reducing slag is discharged by slag notch, and described crude metal to be entered in described oxidation zone and discharged by discharge port with the crude metal in described oxidation zone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510329283.9A CN104894377B (en) | 2015-06-15 | 2015-06-15 | The side-blown melting continuously device of top blast and the side-blown melting continuously method of top blast |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510329283.9A CN104894377B (en) | 2015-06-15 | 2015-06-15 | The side-blown melting continuously device of top blast and the side-blown melting continuously method of top blast |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104894377A true CN104894377A (en) | 2015-09-09 |
| CN104894377B CN104894377B (en) | 2018-01-19 |
Family
ID=54027327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510329283.9A Active CN104894377B (en) | 2015-06-15 | 2015-06-15 | The side-blown melting continuously device of top blast and the side-blown melting continuously method of top blast |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104894377B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106929680A (en) * | 2015-12-30 | 2017-07-07 | 江西瑞林稀贵金属科技有限公司 | The smelting device and smelting process of electronic waste |
| CN109234540A (en) * | 2018-11-15 | 2019-01-18 | 湖南锐异资环科技有限公司 | A kind of method of copper ashes and electroplating sludge collaboration processing recycling valuable metal |
| CN109764679A (en) * | 2017-11-09 | 2019-05-17 | 中国瑞林工程技术股份有限公司 | Smelting device and smelting process |
| CN110129584A (en) * | 2019-05-31 | 2019-08-16 | 中国恩菲工程技术有限公司 | Short route pyrometallurgy of zinc device and method |
| CN111692880A (en) * | 2020-06-15 | 2020-09-22 | 中国瑞林工程技术股份有限公司 | Smelting device and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201514112U (en) * | 2009-10-21 | 2010-06-23 | 长沙有色冶金设计研究院 | Levitation melting side-blown reduction lead smelting furnace |
| CN201628476U (en) * | 2010-03-23 | 2010-11-10 | 中国瑞林工程技术有限公司 | Direct lead smelting furnace |
| CN103114212A (en) * | 2013-02-01 | 2013-05-22 | 中国瑞林工程技术有限公司 | Device and method for smelting antimony |
| CN104073653A (en) * | 2014-06-25 | 2014-10-01 | 中国恩菲工程技术有限公司 | Continuous lateral blowing tin smelting device |
| CN204848969U (en) * | 2015-06-15 | 2015-12-09 | 中国瑞林工程技术有限公司 | Continuous smelting device of top -blown side -blown |
-
2015
- 2015-06-15 CN CN201510329283.9A patent/CN104894377B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201514112U (en) * | 2009-10-21 | 2010-06-23 | 长沙有色冶金设计研究院 | Levitation melting side-blown reduction lead smelting furnace |
| CN201628476U (en) * | 2010-03-23 | 2010-11-10 | 中国瑞林工程技术有限公司 | Direct lead smelting furnace |
| CN103114212A (en) * | 2013-02-01 | 2013-05-22 | 中国瑞林工程技术有限公司 | Device and method for smelting antimony |
| CN104073653A (en) * | 2014-06-25 | 2014-10-01 | 中国恩菲工程技术有限公司 | Continuous lateral blowing tin smelting device |
| CN204848969U (en) * | 2015-06-15 | 2015-12-09 | 中国瑞林工程技术有限公司 | Continuous smelting device of top -blown side -blown |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106929680A (en) * | 2015-12-30 | 2017-07-07 | 江西瑞林稀贵金属科技有限公司 | The smelting device and smelting process of electronic waste |
| CN109764679A (en) * | 2017-11-09 | 2019-05-17 | 中国瑞林工程技术股份有限公司 | Smelting device and smelting process |
| CN109764679B (en) * | 2017-11-09 | 2024-04-23 | 中国瑞林工程技术股份有限公司 | Smelting device and smelting method |
| CN109234540A (en) * | 2018-11-15 | 2019-01-18 | 湖南锐异资环科技有限公司 | A kind of method of copper ashes and electroplating sludge collaboration processing recycling valuable metal |
| CN110129584A (en) * | 2019-05-31 | 2019-08-16 | 中国恩菲工程技术有限公司 | Short route pyrometallurgy of zinc device and method |
| CN110129584B (en) * | 2019-05-31 | 2021-06-22 | 中国恩菲工程技术有限公司 | Short-process pyrometallurgical zinc smelting device and method |
| CN111692880A (en) * | 2020-06-15 | 2020-09-22 | 中国瑞林工程技术股份有限公司 | Smelting device and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104894377B (en) | 2018-01-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104131170B (en) | The smelting process of low-grade useless composition brass | |
| CN104894377A (en) | Top-blowing and side-blowing continuous melting device and top-blowing and side-blowing continuous melting method | |
| CN102978405B (en) | Side-blown continuous smelting device for electronic scrap | |
| CN102011014B (en) | Continuous lead-smelting device and continuous lead-smelting process | |
| CN101838747B (en) | Smelting furnace for nickel-bearing laterite ore | |
| RU2633410C2 (en) | Method and device for producing blister copper | |
| CN104928492A (en) | Flash side-blowing smelting device and flash side-blowing smelting method | |
| CN102796875B (en) | Zinc leaching residue treatment unit and treatment process | |
| CN104073655A (en) | Tin smelting technique by continuous side blowing | |
| CN103121717B (en) | Method for preparing sodium chromate by mixing chromite and ferrochrome and device for method | |
| CN111424175A (en) | System and method for smelting zinc concentrate and zinc-containing secondary material | |
| CN102703732A (en) | Side-blown smelting equipment | |
| CN203295587U (en) | Side-blowing smelting equipment | |
| CN104073653A (en) | Continuous lateral blowing tin smelting device | |
| CN201901695U (en) | Continuous lead smelting device | |
| CN103383185B (en) | Side-blown smelting equipment and side-blown smelting process | |
| CN104018006A (en) | Nickel matte bottom-blowing refining process and nickel matte bottom-blowing refining furnace | |
| WO2018228075A1 (en) | Method and system for short-process copper smelting | |
| CN204825003U (en) | Double tops blow smelting device | |
| CN201605307U (en) | Smelting furnace for laterite nickel ore | |
| CN204848969U (en) | Continuous smelting device of top -blown side -blown | |
| CN204825011U (en) | Device is smelted in flash side -blown | |
| CN203049010U (en) | Side-blown continuous smelting device of electronic scrap | |
| CN203602694U (en) | Bilateral blowing smelting equipment | |
| CN104894378A (en) | Dual-top-blown smelting device and dual-top-blown smelting method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 330031 No. 888, Qian Hu Road, Hongjiao Island, Nanchang, Jiangxi. Patentee after: China ruim engineering technology Limited by Share Ltd Address before: 330031 No. 888, Qian Hu Road, Hongjiao Island, Nanchang, Jiangxi. Patentee before: China Nerin Engineering Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder |