CN103555964A - Side blown smelting equipment - Google Patents
Side blown smelting equipment Download PDFInfo
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- CN103555964A CN103555964A CN201310530008.4A CN201310530008A CN103555964A CN 103555964 A CN103555964 A CN 103555964A CN 201310530008 A CN201310530008 A CN 201310530008A CN 103555964 A CN103555964 A CN 103555964A
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Abstract
The invention discloses side blown smelting equipment comprising a furnace body and a flue, wherein a chamber is formed in the furnace body, the chamber comprises a reaction region located below the furnace body and a gas phase region located above the reaction region, a first air inlet communicated with the reaction region and a second air inlet communicated with the gas phase region are formed in the side wall of the furnace body, and a feed opening and a discharge opening are also formed in the furnace body; and the flue is arranged on the furnace body, a flue gas passage is formed in the flue, and the flue gas passage is communicated with the gas phase region. According to the side blown smelting equipment disclosed by the embodiment of the invention, since the first air inlet communicated with the reaction region and the second air inlet communicated with the gas phase region are formed in the side wall of the furnace body, the first air inlet is used for perfecting the reaction conditions, improving the reaction efficiency and shortening the operation time; and the second air inlet is used for fully combusting carbon monoxide generated in a reduction reaction to save fuel consumption, reduce environmental pollution and ensure more stable and reliable operation.
Description
Technical field
The present invention relates to non-ferrous metal metallurgy technical field, more specifically, relate to a kind of side-blown smelting equipment.
Background technology
At present, the resources circulation technology of China's electronic waste, copper-contained material etc. is divided into two classes: the one, take physical method as main physical technique.By waste and old cable, wire and part components and parts etc., by Mechanical Crushing, cutting out partial organism dust, then enters water logging separation, obtains more coarse grained metal powder.Then by metal powder melting blocking, the various metals of electrolytic separation.The 2nd, be chemically main chemical technology.The electronic wastes such as wiring board, contact are reacted with hydrochloric acid, nitric acid, sulfuric acid or their mixture, cyanide solution etc., make various precious metals enter solution, by reduction or electrolysis mode, reclaim metal.Insolubles is as solid waste, and the modes such as employing is buried, burning are processed.
Along with country is increasingly strict to the requirement of comprehensive utilization of resources industry energy conservation and reduction of discharging, the intensified metallurgy Technology of, environmental friendliness energy-conservation in the urgent need to having concurrently and resources effective utilization.For coordinate large-scale electronic waste, in the exploitation of the resource comprehensive utilization process such as low-grade composition brass, need a kind of realization to take special use that the short flow process technology of comprehensive utilization process is feature, energy-conservation, efficient equipment, can promote the industrial overall technology equipment of the waste and old comprehensive utilization of resources of China and competitive power.
Summary of the invention
The present invention is intended to one of solve the problems of the technologies described above at least to a certain extent.
For this reason, one object of the present invention is to propose a kind of compact construction, efficient energy-saving and reliable and stable side-blown smelting equipment.
According to the side-blown smelting equipment of the embodiment of the present invention, comprise: body of heater, in described body of heater, be formed with chamber, described chamber comprises the reaction zone that is positioned at described body of heater below and the gas phase zone that is positioned at top, described reaction zone, the sidewall of described body of heater be provided with the first blast inlet of described reaction zone conducting and with the second blast inlet of described gas phase zone conducting, on described body of heater, be also provided with charging opening and discharge port; And flue, described flue is located on described body of heater, in described flue, is formed with exhaust gases passes, described exhaust gases passes and the conducting of described gas phase zone.
According to the side-blown smelting equipment of the embodiment of the present invention, by on the sidewall of body of heater, arrange with the first blast inlet of reaction zone conducting and with the second blast inlet of gas phase zone conducting, the first blast inlet can stir melt and react, greatly improved the thermodynamics and kinetics condition of reaction, improved reaction efficiency, shortened the operating time, the carbon monoxide that the second blast inlet produces reduction reaction can fully burn, saved for maintaining the fuel consumption of furnace temperature, and reduced environmental pollution, operated more reliable and more stable; The compact construction of this body of heater, can guarantee that the reaction in body of heater is carried out smoothly, has energy-efficient feature.
In addition, according to the side-blown smelting equipment of the embodiment of the present invention, can also there is following additional technical characterictic:
According to one embodiment of present invention, described flue is provided with the 3rd blast inlet with described exhaust gases passes conducting.
According to one embodiment of present invention, on described body of heater, be also provided with the reductive agent entrance of a plurality of and described reaction zone conducting.
According to one embodiment of present invention, described reductive agent entrance is located in described the first blast inlet.
According to one embodiment of present invention, the periphery of described charging opening is provided with gas-tight sealing.
According to one embodiment of present invention, described side-blown smelting equipment also comprises: burner, described burner is located on described body of heater and stretches into described gas phase zone.
According to one embodiment of present invention, described side-blown smelting equipment also comprises: electrode, described electrode is located on described body of heater and through stretching into described reaction zone in described gas phase zone.
According to one embodiment of present invention, described side-blown smelting equipment also comprises: cooling element, described cooling element is located at the bottom of described body of heater.
According to one embodiment of present invention, described discharge port comprises copper outlet and slag notch, on described copper outlet and described slag notch, is respectively equipped with environmental protection petticoat pipe.
According to one embodiment of present invention, described flue is suspension type flue.
According to one embodiment of present invention, described body of heater is volute spring formula whippy structure.
Additional aspect of the present invention and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage accompanying drawing below combination obviously and is easily understood becoming the description of embodiment, wherein:
Fig. 1 is according to the structural representation of the side-blown smelting equipment of the embodiment of the present invention.
Reference numeral:
100: side-blown smelting equipment;
10: body of heater; 11: reaction zone; 111: the first blast inlets; 112: reductive agent entrance; 12: gas phase zone; 121: the second blast inlets; 13: charging opening; 14: discharge port; 141: copper outlet; 142: slag notch;
20: flue; 21: exhaust gases passes; 211: the three blast inlets;
30: burner;
40: electrode;
50: cooling element.
Embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Below by the embodiment being described with reference to the drawings, be exemplary, be intended to for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, it will be appreciated that, term " laterally ", " length ", " on ", orientation or the position relationship of the indication such as D score, " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward " be based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, rather than indicate or imply that the device of indication or element must have specific orientation, with specific orientation, construct and operation, therefore can not be interpreted as limitation of the present invention.In addition, term " first ", " second " be only for describing object, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the invention, the implication of " a plurality of " is two or more, unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the terms such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be mechanical connection, can be to be also electrically connected to; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can understand as the case may be above-mentioned term concrete meaning in the present invention.
Below in conjunction with accompanying drawing, specifically describe according to the side-blown smelting equipment 100 of the embodiment of the present invention.
As shown in Figure 1, according to the side-blown smelting equipment 100 of the embodiment of the present invention, comprise: body of heater 10 and flue 20.Particularly, in body of heater 10, be formed with chamber, chamber comprises the reaction zone 11 that is positioned at body of heater 10 belows and the gas phase zone 12 that is positioned at 11 tops, reaction zone, the sidewall of body of heater 10 be provided with the first blast inlet 111 of reaction zone 11 conductings and with the second blast inlet 121 of gas phase zone 12 conductings, on body of heater 10, be also provided with charging opening 13 and discharge port 14.Flue 20 is located on body of heater 10, is formed with exhaust gases passes 21 in flue 10, exhaust gases passes 21 and gas phase zone 12 conductings.
Thus, according to the side-blown smelting equipment 100 of the embodiment of the present invention, by on the sidewall at body of heater 10, arrange with the first blast inlet 111 of reaction zone 11 conductings and with the second blast inlet 121 of gas phase zone 12 conductings, oxygen enrichment or pressurized air enter in body of heater 10 by the first blast inlet 111, slag is blown to melting operation, promoted the carrying out of melting reaction, greatly improved the thermodynamics and kinetics condition of reaction, improved reaction efficiency, shortened the operating time, the carbon monoxide that the second blast inlet 121 produces reduction reaction can fully burn, saved for maintaining the fuel consumption of furnace temperature, and reduced environmental pollution, operate more reliable and more stable, in addition, the compact construction of this body of heater 10, can guarantee that the interior reaction of body of heater 10 carries out smoothly, has energy-efficient feature.
It should be noted that, according to the body of heater 10 of the side-blown smelting equipment 100 of the embodiment of the present invention, it is single burner hearth type of furnace, be in body of heater 10, to be only formed with a chamber, the melting reaction of smelting process and reduction reaction are all carried out in body of heater 10, and the reaction process that relates to solid materials is carried out in the reaction zone 11 being positioned at below body of heater 10 mostly, and the gas that reaction produces and the reaction process of associated gas are carried out in compare Gao gas phase zone, the interior position of body of heater 10 12.In addition, by being interrupted periodic job, control the interior different reaction atmosphere of body of heater 10, also melting reaction and reduction reaction can be separated, when guaranteeing body of heater 10 more compact structure, can also guarantee that fusion process and reduction process can carry out respectively smoothly, there is energy-efficient feature.
Particularly, for the structure of body of heater 10, can not do particular restriction, as long as meet the requirement that melting and reduction reaction can normally be carried out.Alternatively, according to one embodiment of present invention, body of heater 10 is volute spring formula whippy structure.The body of heater 10 of this structure has simple compactness, stability height and the reliable feature of operation.
Wherein, for width and the length of body of heater 10, do not do particular restriction, can rationally regulate according to the size variation of material treatment capacity.Position on body of heater of charging opening 13 and discharge port 14 and structure to those skilled in the art, are be appreciated that and be easy to, and therefore repeat no more.
In addition, consider that charging opening 13 is located at the top of body of heater 10 conventionally, flue 20 is also located at the top of body of heater 10 and arranged spaced apart with charging opening 13, fails the raw material of perfect combustion can have the possibility that directly enters exhaust gases passes 21 and discharge in charging opening 13.Therefore, directly discharge the possibility of flue 20 in order to reduce the raw material of failing to burn, alternatively, according to one embodiment of present invention, flue 20 is provided with the 3rd blast inlet 211 with exhaust gases passes 21 conductings.
Particularly, flue 20 can be columnar structure, and the 3rd blast inlet 211 is along the circumferential arranged spaced apart of flue 20 and be positioned at the part of being close to body of heater 10 on flue 20.Thus, by the 3rd blast inlet 211 is set on flue 20, the organism that makes not have in raw material directly to enter through abundant burning flue 20 can be burned falls, thereby has saved for maintaining the fuel consumption of furnace temperature, and avoided environmental pollution, made operation more reliable and more stable.
It should be noted that, flue 20 is not limited in columnar structure, for structure and the type of flue 20, can not do particular restriction.Alternatively, in one embodiment of the invention, flue 20 is suspension type flue.In other words, flue 20 is located at the top of body of heater 10, in the ingress of flue 20, can feed appropriate burning wind, the remaining organism in melting flue gas fully can be burnt, and reacted gas can be discharged bodies of heater 10 by flue 20.
According to one embodiment of present invention, on body of heater 10, be also provided with a plurality of and reductive agent entrances 112 reaction zone 11 conductings.Thus, can in body of heater 10, pass into reductive agent so that the metal oxide in material is reduced by reductive agent entrance 112, form the bottom that molten drop is sunken to body of heater 10.Selection for reductive agent is not particularly limited, and it can be gas, liquid or pressed powder reductive agent.
In addition, in order to guarantee the quality of reduction, can also in body of heater 10, add particulate solid reductive agent by reductive agent entrance 112, such as coke etc., thereby the surface of the melting slag blanket after melting forms the burnt filtering layer of red heat with strengthening reduction effect.The heat needing in order to supplement reduction reaction, alternatively, according to one embodiment of present invention, reductive agent entrance 112 is located in the first blast inlet 111.By reductive agent entrance 112, can in body of heater 10, pass into reductive agent, by the first blast inlet 111, can pass into oxygen enrichment or pressurized air to the slag blanket surface of red heat, thereby greatly promote the carrying out of reaction.Certainly, also ventilation opening can be set on the inwall of body of heater in addition, with the slag blanket surface to red heat, supplement oxygen enrichment or pressurized air.
Consider the organic waste in electronic waste and copper-contained material, and the poisonous or obnoxious flavour after burning, can be in charging opening 13 loss, in order to reduce the generation of this situation as far as possible, alternatively, according to one embodiment of present invention, the periphery of charging opening 13 is provided with gas-tight sealing.Gas-tight sealing can improve the stopping property of charging opening 13, thereby has effectively prevented the loss of flue gas.
Similarly, in one embodiment of the invention, discharge port 14 comprises copper outlet 141 and slag notch 142, on copper outlet 141 and slag notch 142, is respectively equipped with environmental protection petticoat pipe.Thus, the existence of environmental protection petticoat pipe has further reduced in body of heater 10 material of the discharging pollution to environment.Meanwhile, the setting of two kinds of discharge ports 14, can discharge by copper outlet 141 copper that smelting process obtains, and the waste residue after smelting can be discharged by slag notch 142, has realized effective classification of material after smelting, and efficiency is improved.
Consider that fusion process needs a large amount of heats, when supplying with the shortage of heat of material, can make melting and reduction reaction fully carry out, the efficiency of melting and reduction reaction is decreased.Therefore, in order to improve the efficiency of melting and reduction, alternatively, according to one embodiment of present invention, side-blown smelting equipment 100 also comprises burner 30, and burner 30 is located on body of heater 10 and stretches into gas phase zone 12.Burner 30 has the effect of additional heat, when burner 30 being located to body of heater 10, can promote the melting of the material in body of heater 10 and the carrying out of reduction reaction when interior.
Further, in one embodiment of the invention, side-blown smelting equipment 100 further comprises electrode 40, and electrode 40 is located on body of heater 10 and through stretching into reaction zone 11 in gas phase zone 12.The one end that is electrode 40 is positioned at reaction zone 11, and the other end of electrode 40 is positioned at outside body of heater 10.Electrode 40 also can carry out concurrent heating to the material in body of heater 10, thereby further promotes melting and the reduction reaction of material.It should be noted that, the position of electrode 40 in body of heater 10 is not particularly limited, and can rationally regulate according to the width of body of heater 10.Alternatively, electrode 12 can be located at the middle part of body of heater 10, and now, the concurrent heating effect of electrode 12 is relatively better.
Be understandable that, material is interior through smelting the melt that can form high temperature at body of heater 10, and the melt of high temperature is discharged body of heater 10 can form certain potential safety hazard to operator or environment around when outer, and the security of the smelting equipment 100 that makes to blow side decreases.Therefore, from the viewpoint of the safety in utilization of side-blown smelting equipment 100, alternatively, according to one embodiment of present invention, side-blown smelting equipment 100 also comprises cooling element 50, and cooling element 50 is located at the bottom of body of heater 10.Thus, the high-temperature fusant that melting reaction produces can pass through the cooling rear discharge of cooling element 50, thus the danger of having avoided the high hot melt of high temperature to cause operator, and safety in utilization increases.
According to other formations of the side-blown smelting equipment 100 of the embodiment of the present invention and operation, be all known for those of ordinary skills, be not described in detail here.
Further, in order to make the side-blown smelting equipment 100 of the embodiment of the present invention more detailed concrete, below to utilizing the blow side method of smelting of the side-blown smelting equipment 100 of the embodiment of the present invention to be described.
Side-blown smelting process comprises the following steps:
A) by carrying out melting after broken electronic waste, copper-contained material and flux mixing, form melting slag blanket and blister copper layer.
B) blister copper layer is separated, and in melting slag blanket, added reductive agent to carry out reduction reaction, with the metal oxide in retailoring slag blanket, obtain blister copper and reducing slag.
Particularly, in step a), electronic waste, rich copper-contained material through to a certain degree broken are added in stove by the charging opening 13 at body of heater 10 tops together with flux, drop on the slag blanket on body of heater 10 settling tank surfaces.Oxygen rich gas enters in settling tank slag blanket by the first blast inlet 111 on body of heater 10 both sides sidewalls, stir slag blanket melt and with electronic waste and flux generation metallurgical reaction.Smelting product, because density is different, forms melting slag blanket and blister copper layer at settling tank.Blister copper is discharged bodies of heater 10 by copper outlet 141, and smelting slag stays in body of heater 10, and flue 20 places arrange the 3rd blast inlet 211, makes not have in raw material directly to enter through fully burning that the organism of flue gas is burned falls, thereby has avoided environmental pollution.
In step b), by reductive agent entrance 112, in stove, pass into reductive agent so that metal oxide in melting slag blanket is reduced, form the bottom that molten drop is sunken to body of heater 10.In order to guarantee the quality of reduction, can also in stove, add particulate solid reductive agent by reductive agent entrance 112, such as coke etc., thereby the burnt filtering layer that forms red heat on slag blanket surface is with strengthening reduction effect.The heat needing in order to supplement reduction reaction, can also pass into oxygen to the burnt filtering layer surface of red heat by the ventilation opening that is located at the first blast inlet 111 on the furnace wall, both sides of slag blanket top or arranges.Blister copper is discharged by copper outlet 141, and the reducing slag of dilution is discharged into outside stove by the slag notch 142 being located on settling tank headwall, and the flue gas that reaction produces discharges out of the furnace by flue 20.
Wherein, about the selection of copper-contained material, be not particularly limited, alternatively, copper-contained material can be at least one in low-grade composition brass, industrial residue and electroplating sludge in being selected from.
Use the side-blown smelting process of the side-blown smelting equipment of the embodiment of the present invention, melting and reduction reaction are separately carried out, can efficiently utilize the latent heat of melt, have energy-efficient feature, and the method operating time is short, heat leaks few, saved fuel consumption, and operational safety.
In the description of this specification sheets, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or feature can be with suitable mode combinations in any one or more embodiment or example.
Although illustrated and described embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, those of ordinary skill in the art can change above-described embodiment within the scope of the invention in the situation that not departing from principle of the present invention and aim, modification, replacement and modification.
Claims (11)
1. a side-blown smelting equipment, is characterized in that, comprising:
Body of heater, in described body of heater, be formed with chamber, described chamber comprises the reaction zone that is positioned at described body of heater below and the gas phase zone that is positioned at top, described reaction zone, the sidewall of described body of heater be provided with the first blast inlet of described reaction zone conducting and with the second blast inlet of described gas phase zone conducting, on described body of heater, be also provided with charging opening and discharge port; And
Flue, described flue is located on described body of heater, in described flue, is formed with exhaust gases passes, described exhaust gases passes and the conducting of described gas phase zone.
2. side-blown smelting equipment according to claim 1, is characterized in that, described flue is provided with the 3rd blast inlet with described exhaust gases passes conducting.
3. side-blown smelting equipment according to claim 1, is characterized in that, is also provided with the reductive agent entrance of a plurality of and described reaction zone conducting on described body of heater.
4. side-blown smelting equipment according to claim 3, is characterized in that, described reductive agent entrance is located in described the first blast inlet.
5. side-blown smelting equipment according to claim 1, is characterized in that, the periphery of described charging opening is provided with gas-tight sealing.
6. side-blown smelting equipment according to claim 1, is characterized in that, also comprises: burner, described burner is located on described body of heater and stretches into described gas phase zone.
7. side-blown smelting equipment according to claim 1, is characterized in that, also comprises: electrode, described electrode is located on described body of heater and through stretching into described reaction zone in described gas phase zone.
8. side-blown smelting equipment according to claim 1, is characterized in that, also comprises: cooling element, described cooling element is located at the bottom of described body of heater.
9. side-blown smelting equipment according to claim 1, is characterized in that, described discharge port comprises copper outlet and slag notch, on described copper outlet and described slag notch, is respectively equipped with environmental protection petticoat pipe.
10. side-blown smelting equipment according to claim 1, is characterized in that, described flue is suspension type flue.
11. according to the side-blown smelting equipment described in any one in claim 1-10, it is characterized in that, described body of heater is volute spring formula whippy structure.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310530008.4A CN103555964A (en) | 2013-10-31 | 2013-10-31 | Side blown smelting equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310530008.4A CN103555964A (en) | 2013-10-31 | 2013-10-31 | Side blown smelting equipment |
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| CN103555964A true CN103555964A (en) | 2014-02-05 |
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| CN201310530008.4A Pending CN103555964A (en) | 2013-10-31 | 2013-10-31 | Side blown smelting equipment |
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Cited By (1)
| 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 |
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| CN201634742U (en) * | 2010-03-18 | 2010-11-17 | 新乡县中联金铅有限公司 | Oxygen side blown metal melting reduction furnace |
| CN102978405A (en) * | 2012-12-06 | 2013-03-20 | 中国瑞林工程技术有限公司 | Side-blown continuous smelting process and device for electronic scrap |
| CN203602695U (en) * | 2013-10-31 | 2014-05-21 | 江西瑞林稀贵金属科技有限公司 | Side-blown smelting device |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201195739Y (en) * | 2008-04-28 | 2009-02-18 | 烟台鹏晖铜业有限公司 | Oxygen-enriched side blow weld crater smelting furnace |
| CN201634742U (en) * | 2010-03-18 | 2010-11-17 | 新乡县中联金铅有限公司 | Oxygen side blown metal melting reduction furnace |
| CN102978405A (en) * | 2012-12-06 | 2013-03-20 | 中国瑞林工程技术有限公司 | Side-blown continuous smelting process and device for electronic scrap |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
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Application publication date: 20140205 |