CN204825011U - Device is smelted in flash side -blown - Google Patents
Device is smelted in flash side -blown Download PDFInfo
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- CN204825011U CN204825011U CN201520410945.0U CN201520410945U CN204825011U CN 204825011 U CN204825011 U CN 204825011U CN 201520410945 U CN201520410945 U CN 201520410945U CN 204825011 U CN204825011 U CN 204825011U
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Abstract
The utility model discloses a device is smelted in flash side -blown, device is smelted in flash side -blown includes: the furnace body, the furnace chamber has in the furnace body, the furnace chamber is distinguished and is located including the molten bath that blows side the flash smelting district of the top in side -blown molten bath district, the furnace chamber with be equipped with the nozzle mouth on the relative roof in flash smelting district, be equipped with side -blown mouth and slag notch on the lateral wall in side -blown molten bath district, be equipped with the discharge gate on the lateral wall in side -blown molten bath district or the diapire, be used for to spout the nozzle into raw materials, flux and oxygen containing gas in the flash smelting district, the nozzle is established nozzle mouth department, with be used for to the slag in situ in side -blown molten bath district spouts the side -blown spray gun into oxygen containing gas and fuel, the side -blown spray gun is established side -blown mouthful department. According to the utility model discloses device is smelted in flash side -blown has advantages such as the intensity of smelting is big, high -efficient in succession, simple structure is compact, the energy -conserving high efficiency of technology, operation safety ring guarantor, bed ability height.
Description
Technical field
The utility model relates to flash side-blown smelting apparatus.
Background technology
Metal smelting has two kinds of techniques, and one is flash smelting technique, and another kind is bath smelting technique.
Utility model content
The application makes the discovery of the following fact and problem and understanding based on contriver: flash smelting technique and bath smelting technique respectively have relative merits.Specifically, flash smelting art breading amount is large, but one-time investment is large, and the furnace volume of bath smelting technique is little, and thermosteresis is few, good energy-conserving effect, and investment relatively economizes, but treatment capacity is less.
The utility model is intended to solve one of technical problem in correlation technique at least to a certain extent.For this reason, the utility model proposes a kind ofly have that smelting intensity is large, the flash of energy saving technology efficient advantage side-blown smelting apparatus.
Comprise according to flash side-blown smelting apparatus of the present utility model: body of heater, in described body of heater, there is furnace chamber, described furnace chamber comprises side-blowing bath district and is positioned at the flash smelting district of top in described side-blowing bath district, the roof relative with described flash smelting district of described furnace chamber is provided with jet hole, the sidewall in described side-blowing bath district is provided with side-blown mouth and slag notch, and sidewall or the diapire in described side-blowing bath district are provided with discharge port; For spraying into the nozzle of raw material, flux and oxygen-containing gas in described flash smelting district, described nozzle is located at described jet hole place; With the side-blown spray gun for spraying into oxygen-containing gas and fuel in the slag layer to described side-blowing bath district, described side-blown spray gun is located at described side-blown mouth place.
Have that smelting intensity is large, energy saving technology efficient according to flash of the present utility model side-blown smelting apparatus, advantage.
In addition, above-mentioned according to the utility model flash side-blown smelting apparatus can also have following additional technical characteristic:
Described 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.
The projection in the horizontal plane of described flash smelting district is positioned at the inner side of described side-blowing bath district projection in the horizontal plane.
The cross section in described flash smelting district is circular, and the cross section in described side-blowing bath district is oval, circular or rectangle.
The cross section in described side-blowing bath district is circular, 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 said side-blown spray gun becomes predetermined angular to the radial direction through corresponding described side-blown mouth.
The cross section in described side-blowing bath district is rectangle, 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 relatively arranged between two, and multiple described side-blown spray gun is relatively arranged between two.
Accompanying drawing explanation
Fig. 1 is the structural representation of the flash side-blown smelting apparatus according to the utility model embodiment;
Fig. 2 is the vertical view of the flash side-blown smelting apparatus according to an embodiment of the present utility model;
Fig. 3 is the vertical view of the flash side-blown smelting apparatus according to another embodiment of the present utility model;
Fig. 4 is the schema of the flash side-blown melting method according to the utility model embodiment.
Embodiment
Be described below in detail embodiment of the present utility model, 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 utility model, and can not be interpreted as restriction of the present utility model.
Below with reference to the accompanying drawings flash side-blown smelting apparatus 10 according to the utility model embodiment is described.As shown in Figure 1-Figure 3, body of heater 101, nozzle 102 and side-blown spray gun 103 is comprised according to the flash side-blown smelting apparatus 10 of the utility model embodiment.
Have furnace chamber 1011 in body of heater 101, furnace chamber 1011 comprises side-blowing bath district 1012 and is positioned at the flash smelting district 1013 of top in side-blowing bath district 1012.In other words, side-blowing bath district 1012 is positioned at below flash smelting district 1013.The roof relative with flash smelting district 1013 of furnace chamber 1011 is provided with jet hole 1014, and the sidewall in side-blowing bath district 1012 is provided with side-blown mouth 1015 and slag notch 1016, and the sidewall in side-blowing bath district 1012 or diapire are provided with discharge port 1017.
Nozzle 102 is located at jet hole 1014 place, and nozzle 102 for spraying into the nozzle 102 of raw material, flux and oxygen-containing gas in flash smelting district 1013.Side-blown spray gun 103 is located at side-blown mouth 1015 place, and side-blown spray gun 103 is for spraying into oxygen-containing gas and fuel in the slag layer to side-blowing bath district 1012.
Below with reference to Fig. 1-Fig. 4, the flash side-blown melting method according to the utility model embodiment is described.Flash side-blown melting method according to the utility model embodiment is implemented by the flash side-blown smelting apparatus 10 according to the utility model embodiment.
Flash side-blown melting method according to the utility model embodiment comprises the following steps:
Raw material and flux are mixed in proportion, levigate, dry;
Nozzle 102 is utilized to be injected in flash smelting district 1013 by raw material and flux, in flash smelting district 1013, carry out flash smelting to obtain melt to raw material, this melt to fall in side-blowing bath district 1012 and forms crude metal floor L1 and be positioned at the slag layer L2 above crude metal floor L1;
Utilize side-blown spray gun 103 oxygen-containing gas and fuel to be sprayed in slag layer L2, to carry out melting to slag and to produce molten drop, this molten drop enters in crude metal layer L1; With
Discharge crude metal from discharge port 1017, discharge slag from slag notch 1016.
Blow side smelting apparatus 10 by arranging flash smelting district 1013 according to the flash of the utility model embodiment, thus first can carry out flash smelting to raw material, melting can be carried out to a large amount of raw materials rapidly, the smelting intensity of flash side-blown smelting apparatus 10 can be improved thus.
Flash side-blown smelting apparatus 10 according to the utility model embodiment passes through to arrange side-blowing bath district 1012 below flash smelting district 1013, thus in side-blowing bath district 1012, can carry out degree of depth melting to the slag that flash smelting produces.
That is, first according to the flash side-blown smelting apparatus 10 of the utility model embodiment raw material is carried out to flash smelting, carries out side-blown melting to raw material again.Therefore, combine the advantage of flash smelting technique and side-blown melting technology according to the flash side-blown smelting apparatus 10 of the utility model embodiment, thus deeply and the high-efficiency and continuous of smelting process can be realized.
Have that smelting intensity is large according to the flash of the utility model embodiment side-blown smelting apparatus 10, high-efficiency and continuous, simple and compact for structure, energy saving technology efficient, operational safety environmental protection, bed ability advantages of higher.
Flash side-blown melting method according to the utility model embodiment has the advantages such as smelting intensity is large, high-efficiency and continuous, energy saving technology are efficient, operational safety environmental protection.
As shown in Figure 1-Figure 3, body of heater 101 is comprised, for spraying into the nozzle 102 of raw material, flux and oxygen-containing gas and the side-blown spray gun 103 for spraying into oxygen-containing gas and fuel in the slag layer to side-blowing bath district 1012 in flash smelting district 1013 according to the flash side-blown smelting apparatus 10 of embodiments more of the present utility model.
Have furnace chamber 1011 in body of heater 101, furnace chamber 1011 comprises side-blowing bath district 1012 and is positioned at the flash smelting district 1013 of top in side-blowing bath district 1012.
As shown in Figure 1-Figure 3, in an embodiment of the present utility model, flash smelting district 1013 projection is in the horizontal plane positioned at the inner side of side-blowing bath district 1012 projection in the horizontal plane.The structure of flash side-blown smelting apparatus 10 can be made thus more reasonable.
Particularly, the cross section in flash smelting district 1013 is circular, and the cross section in side-blowing bath district 1012 is oval, circular or rectangle.
The size in flash smelting district 1013, highly, aspect ratio is not particularly limited, and can carry out reasonable adjusting according to the type of process raw material and number change.Shape, the size in side-blowing bath district 1012, to be highly not particularly limited, reasonable adjusting can be carried out according to the type of process raw material and number change.
The roof relative with flash smelting district 1013 of furnace chamber 1011 is provided with jet hole 1014, and nozzle 102 is located at jet hole 1014 place, and nozzle 102 for spraying into the nozzle 102 of raw material, flux and oxygen-containing gas in flash smelting district 1013.
This flux can be quartz sand or Wingdale, and described flux can also be the mixture of quartz sand and Wingdale.This oxygen-containing gas can be oxygen rich gas, and the oxygen level of this oxygen rich gas can be 25v%-90v% (volume percent).
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.
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 flash side-blown smelting apparatus 10 of the utility model embodiment, there is the strong advantage of adaptability to raw material thus.
This raw material and this flux can be mixed in proportion, levigate, dry.Specifically, mixing, levigate, drying there is no dividing of priority, carry out again levigate, dry (or dry, levigate) after first this raw material and this flux can being mixed in proportion, also can carry out levigate, dry (or dry, levigate) this raw material and this flux respectively, then this raw material and this flux are mixed in proportion.
Advantageously, the water content of dried raw material and flux is less than or equal to 0.3%.
Nozzle 102 is utilized to be injected in flash smelting district 1013 by this raw material and this flux, in flash smelting district 1013, carry out flash smelting to obtain melt to this raw material, this melt to fall in side-blowing bath district 1012 and forms crude metal floor L1 and be positioned at the slag layer L2 above crude metal floor L1.That is, flash smelting district 1013 can be a high-temperature space, and this raw material promptly completes melting reaction in flash smelting district 1013.
In a concrete example of the present utility model, this raw material, this flux and this oxygen-containing gas mix so that in disperse state in nozzle 102.The smelting intensity of flash side-blown smelting apparatus 10 can be improved thus further, thus melting can be carried out to this raw material more rapidly.
As shown in Figure 1, the sidewall in side-blowing bath district 1012 is provided with side-blown mouth 1015, and side-blown spray gun 103 is located at side-blown mouth 1015 place, and side-blown spray gun 103 for spraying into oxygen-containing gas and fuel in the slag layer L2 in side-blowing bath district 1012.This oxygen-containing gas can be oxygen rich gas, and the oxygen level of this oxygen rich gas can be 21v%-90v% (volume percent).This fuel can be selected from fine coal, Sweet natural gas and heavy oil one or more.
By carrying out flash smelting to this raw material, can obtain melt, this melt can comprise crude metal and slag.Because this crude metal is different with the density of this slag, this crude metal and this slag are separated into crude metal floor L1 (being formed by this crude metal) and are positioned at the slag layer L2 (being formed by this slag) above crude metal floor L1 in side-blowing bath district 1012.
Specifically, the outlet of side-blown spray gun 103 is relative with slag layer L2, to spray into oxygen-containing gas and fuel in slag layer L2.Advantageously, the mouth 1015 that blows side is relative with slag layer L2 with the outlet of side-blown spray gun 103.Wherein, the quantity of mouth 1015 of blowing side and decoration form can adjust according to the shape and size in side-blowing bath district 1012.
By controlling side-blown condition, can stir slag layer L2 and accelerate heat and mass, to carry out degree of depth melting to slag and to produce molten drop, this molten drop enters in crude metal layer L1.
As shown in Figure 1, the sidewall in side-blowing bath district 1012 is provided with slag notch 1016, and the sidewall in side-blowing bath district 1012 or diapire are provided with discharge port 1017.Wherein, discharge this melt from discharge port 1017, discharge this slag from slag notch 1016.
As shown in Figure 2, in examples more of the present utility model, the cross section in side-blowing bath district 1012 is circular, and side-blown mouth 1015 is multiple and side-blown spray gun 103 is multiple, and multiple side-blown spray gun 103 is located at multiple side-blown mouth 1015 place correspondingly.In other words, the quantity of side-blown mouth 1015 can equal the quantity of side-blown spray gun 103, and a side-blown spray gun 103 is located at side-blown mouth 1015 place.
Wherein, side-blown spray gun 103 becomes predetermined angular to the radial direction through corresponding side-blown mouth 1015 (for installing the side-blown mouth 1015 of this side-blown spray gun 103).Multiple side-blown spray gun 103 can spray into oxygen-containing gas and fuel in the mode of whirling current injection side-blown in the slag layer L2 in side-blowing bath district 1012 thus.The quantity of side-blown spray gun 103 can regulate, and this predetermined angular also can regulate.
As shown in Figure 3, in an example of the present utility model, the cross section in side-blowing bath district 1012 is rectangle, and side-blown mouth 1015 is multiple and side-blown spray gun 103 is multiple, and multiple side-blown spray gun 103 is located at multiple side-blown mouth 1015 place correspondingly.Wherein, multiple side-blown mouth 1015 is relatively arranged between two, and multiple side-blown spray gun 103 is relatively arranged between two.Multiple side-blown spray gun 103 can spray into oxygen-containing gas and fuel in the mode of convection current side-blown in the slag layer L2 in side-blowing bath district 1012 thus.
In addition, multiple side-blown spray gun 103 can also spray into oxygen-containing gas and fuel in one-sided mode of blowing in the slag layer L2 in side-blowing bath district 1012.
Thus, when utilizing the flash side-blown smelting apparatus 10 melting raw material according to the utility model embodiment, raw material first carries out flash smelting in the flash smelting district 1013 on top, the side-blowing bath district 1012 falling into bottom subsequently carries out side-blown melting, thus flash side-blown smelting apparatus 10 combines the advantage of flash smelting and the large melting mode of bath smelting two, smelting intensity is large.By controlling side-blown condition, stirring slag layer L2 and accelerating heat and mass, degree of depth melting being carried out to slag, achieves deeply and the high-efficiency and continuous of smelting process, there is the feature of safety and environmental protection simultaneously.
To process copper ore concentrates, implement according to the major technique operational condition of the flash side-blown melting method of the utility model embodiment 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 flash side-blown melting method of the utility model embodiment as follows:
In description of the present utility model, 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 utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
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 description of the present utility model, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the utility model, 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, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
In the utility model, 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 utility model 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 described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment, revises, replace and modification in scope of the present utility model.
Claims (6)
1. a flash side-blown smelting apparatus, is characterized in that, comprising:
Body of heater, in described body of heater, there is furnace chamber, described furnace chamber comprises side-blowing bath district and is positioned at the flash smelting district of top in described side-blowing bath district, the roof relative with described flash smelting district of described furnace chamber is provided with jet hole, the sidewall in described side-blowing bath district is provided with side-blown mouth and slag notch, and sidewall or the diapire in described side-blowing bath district are provided with discharge port;
For spraying into the nozzle of raw material, flux and oxygen-containing gas in described flash smelting district, described nozzle is located at described jet hole place; With
For spraying into the side-blown spray gun of oxygen-containing gas and fuel in the slag layer to described side-blowing bath district, described side-blown spray gun is located at described side-blown mouth place.
2. flash side-blown smelting apparatus according to claim 1, it is characterized in that, described 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.
3. flash side-blown smelting apparatus according to claim 1, it is characterized in that, the projection in the horizontal plane of described flash smelting district is positioned at the inner side of described side-blowing bath district projection in the horizontal plane.
4. flash side-blown smelting apparatus according to claim 1, is characterized in that, the cross section in described flash smelting district is circular, and the cross section in described side-blowing bath district is oval, circular or rectangle.
5. flash side-blown smelting apparatus according to claim 1, it is characterized in that, the cross section in described side-blowing bath district is circular, 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 said side-blown spray gun becomes predetermined angular to the radial direction through corresponding described side-blown mouth.
6. flash side-blown smelting apparatus according to claim 1, it is characterized in that, the cross section in described side-blowing bath district is rectangle, 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, wherein multiple described side-blown mouth is relatively arranged between two, and multiple described side-blown spray gun is relatively arranged between two.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520410945.0U CN204825011U (en) | 2015-06-15 | 2015-06-15 | Device is smelted in flash side -blown |
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| CN201520410945.0U CN204825011U (en) | 2015-06-15 | 2015-06-15 | Device is smelted in flash side -blown |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104928492A (en) * | 2015-06-15 | 2015-09-23 | 中国瑞林工程技术有限公司 | Flash side-blowing smelting device and flash side-blowing smelting method |
| WO2017197985A1 (en) * | 2016-05-16 | 2017-11-23 | 中国恩菲工程技术有限公司 | Side-submerged combustion smelting apparatus for spraying oxygen-enriched air and pulverized coal |
| CN111964471A (en) * | 2020-07-24 | 2020-11-20 | 北京科技大学 | Efficient injection method for side-blown smelting furnace |
-
2015
- 2015-06-15 CN CN201520410945.0U patent/CN204825011U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104928492A (en) * | 2015-06-15 | 2015-09-23 | 中国瑞林工程技术有限公司 | Flash side-blowing smelting device and flash side-blowing smelting method |
| WO2017197985A1 (en) * | 2016-05-16 | 2017-11-23 | 中国恩菲工程技术有限公司 | Side-submerged combustion smelting apparatus for spraying oxygen-enriched air and pulverized coal |
| CN111964471A (en) * | 2020-07-24 | 2020-11-20 | 北京科技大学 | Efficient injection method for side-blown smelting furnace |
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