CN102703734A - Top-blown smelting equipment - Google Patents
Top-blown smelting equipment Download PDFInfo
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- CN102703734A CN102703734A CN2012102066803A CN201210206680A CN102703734A CN 102703734 A CN102703734 A CN 102703734A CN 2012102066803 A CN2012102066803 A CN 2012102066803A CN 201210206680 A CN201210206680 A CN 201210206680A CN 102703734 A CN102703734 A CN 102703734A
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Abstract
The invention discloses top-blown smelting equipment, which includes a furnace body and a base, wherein a material feeding channel and an air outlet are arranged at the top of the furnace body; the base is mounted at the bottom end of the furnace body; a waste residue outlet and a product outlet are arranged on the base; a vent duct for ventilating the interior of the furnace body is arranged in the material feeding channel; and the base accommodates the material to be reacted and discharges the reaction product and waste residue. According to the top-blown smelting equipment of the invention embodiment, by ventilating the interior of the furnace body through the material feeding channel, the process for further forming a gas channel on the furnace body is omitted, the top-blown smelting equipment is simplified, and the ventilation can serve for blending the material when feeding the material through the material feeding channel, so as to accelerate the smelting reaction and enable the smelting reaction to be more sufficient.
Description
Technical field
The present invention relates to the Metal smelting technical field, more specifically, the present invention relates to a kind of top blow smelting equipment.
Background technology
Characteristics such as that nickel has is anti-oxidant, anticorrosive, high temperature resistant, intensity is high, ductility is good; Its purposes very extensively; Especially the consumption proportion in iron and steel and non-ferrous metal metallurgy industry is maximum; Next is applied in industries such as light industry, machinofacture, chemical industry, oil and electric power, and high-technology field is also very vigorous to the demand of nickel.
The reserves of world's continental rise nickel are about 41,700,000,000 tons, and 39.14% form with sulphide ores exists, and about in the world 70% nickel is from sulphide ores, to extract, and compose to exist the nickel in the ore deposit to account for 60.16% of nickel reserves.But along with the nickel sulfide ore of economic utilization and the exhaustion day by day of higher-grade red soil nickel ore resource, the economic development of a large amount of low-grade red soil nickel ores that exist has become the research focus of current metallurgy of nickel.
Yet the device processes ability of the smelting nickel matte of present red soil nickel ore is lower, and energy consumption is big, is unfavorable for environmental protection, therefore still remains to be improved.
Existing top blow smelting technology is primarily aimed at handles nickelous sulfide copper mineral production ice nickel.Such metallurgical process characteristics are, the smelting temperature interval is 1350-1450 ℃, and sulphide ores mainly relies on autothermal reaction to realize fusing.What laterite was different with sulphide ores is, it is the silicate-type nickel minerals, and temperature of fusion is high, and 1450 ℃-1550 ℃, therefore existing top blow smelting equipment can't satisfy this melting condition.
Summary of the invention
The present invention is intended to one of solve the problems of the technologies described above at least.
For this reason, one object of the present invention is to propose a kind of simple in structure, high temperature resistant and sufficient top blow smelting equipment of melting.
Top blow smelting equipment according to the embodiment of the invention comprises: body of heater, and said body of heater top is provided with feeding-passage and air outlet; And base; Said base is installed on said body of heater bottom, and said base is provided with waste residue outlet and product outlet, wherein; Be provided with vent channel in the said feeding-passage in said body of heater, to ventilate, said base holds said material reaction and discharges reaction product and waste residue.
Top blow smelting equipment according to the embodiment of the invention; Ventilate in body of heater through feeding-passage; Save the process of on body of heater, offering gas passage in addition, simplified top blow smelting equipment, and; Ventilation can be played the effect of stirring material when feeding-passage adds material, promotes melting reaction and makes melting reaction more abundant.
In addition, top blow smelting equipment according to the above embodiment of the present invention can also have following additional technical characterictic:
According to one embodiment of present invention, said body of heater and base are the copper water jacket of combined high-strength high-temperature refractory, and said HS high-temperature refractory is magnesia chrome brick or chromium-aluminium spinel brick.
According to one embodiment of present invention, be provided with barricade in the said base, said barricade is divided into said base the smelting reduction sulfur district and clarifies the disengaging zone to carry out the fusing and the reduction-sulfurization of material respectively.
According to one embodiment of present invention, said barricade is that copper water jacket or fire-resistant kiln are cut.
According to one embodiment of present invention, said clarification disengaging zone is provided with electrode with heating and melting materials capable.
According to one embodiment of present invention, the outlet of said waste residue exports with product and is located at said clarification disengaging zone.
According to one embodiment of present invention, said vent channel comprises inlet mouth and air outlet, and said feeding-passage comprises opening for feed and discharge port, and opening for feed and said air outlet that the inlet mouth of said vent channel is higher than said feeding-passage are lower than said discharge port.
According to one embodiment of present invention, said breather is a spray gun.
According to one embodiment of present invention, said spray gun is oxygen and coal gas mixture spray gun or oxygen and Sweet natural gas mixture spray gun.
Additional aspect of the present invention and advantage part in the following description provide, and part will become obviously from the following description, or recognize through practice of the present invention.
Description of drawings
Above-mentioned and/or additional aspect of the present invention and advantage obviously with are easily understood becoming the description of embodiment from combining figs, wherein:
Fig. 1 is a top blow smelting device structure synoptic diagram according to an embodiment of the invention.
Embodiment
Describe embodiments of the invention below in detail, the example of said embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Be exemplary through the embodiment that is described with reference to the drawings below, be intended to be used to explain the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention; It will be appreciated that; The orientation of indications such as term " " center ", " vertically ", " laterally ", " length ", " width ", " thickness ", " on ", D score, " preceding ", " back ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", " counterclockwise " or position relation are for based on orientation shown in the drawings or position relation; only be to describe with simplifying for the ease of describing the present invention; rather than the device or the element of indication or hint indication must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.
In addition, term " first ", " second " only are used to describe purpose, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more a plurality of these characteristics can be shown or impliedly comprised to the characteristic that is limited with " first ", " second " clearly.In description of the invention, the implication of " a plurality of " is two or more, only if clear and definite concrete qualification is arranged in addition.
In the present invention, only if clear and definite regulation and qualification are arranged in addition, broad understanding should be done in terms such as term " installation ", " linking to each other ", " connection ", " fixing ", for example, can be to be fixedly connected, and also can be to removably connect, or connect integratedly; Can be mechanical connection, also can be to be electrically connected; Can be directly to link to each other, also can link to each other indirectly through intermediary, can be the connection of two element internals.For those of ordinary skill in the art, can understand above-mentioned term concrete implication in the present invention as the case may be.
In the present invention; Only if clear and definite regulation and qualification are arranged in addition; First characteristic second characteristic it " on " or D score can comprise that first and second characteristics directly contact, can comprise that also first and second characteristics are not directly contacts but through the contact of the additional features between them.And, first characteristic second characteristic " on ", " top " and " above " comprise first characteristic directly over second characteristic and oblique upper, or only represent that the first characteristic level height is higher than second characteristic.First characteristic second characteristic " under ", " below " and " below " comprise first characteristic directly over second characteristic and oblique upper, or only represent that the first characteristic level height is less than second characteristic.
Below in conjunction with accompanying drawing the top blow smelting equipment according to the embodiment of the invention is described.
As shown in Figure 1, top blow smelting equipment comprises according to an embodiment of the invention: body of heater 10 and base 20.
Body of heater 10 tops are provided with feeding-passage 11 and air outlet 12, and base 20 is installed on body of heater 10 bottoms, and base 20 is provided with waste residue outlet 22 and product outlet 21.
Be provided with vent channel 13 in the feeding-passage 11 with ventilation in body of heater 10, base 20 holds said material reaction and discharges reaction product and waste residue.
Thus; According to the top blow smelting equipment of the embodiment of the invention, ventilate in body of heater 10 through feeding-passage 11, saved the process of on body of heater 10, offering gas passage in addition; Simplified the preparation of top blow smelting equipment; And ventilation can be played the effect of stirring material when feeding-passage 11 adds material, promotes melting reaction and makes melting reaction more abundant.
Advantageously, according to one embodiment of present invention, body of heater 10 is the copper water jacket of combined high-strength high-temperature refractory with base 20, and said HS high-temperature refractory is magnesia chrome brick or chromium-aluminium spinel brick.Thus, the melting equipment that adopts the HS high-temperature refractory to be prepared from can satisfy 1450 ℃ ~ 1550 ℃ melting needs under the temperature condition, has solved the lower problem of existing top blow smelting equipment smelting temperature.
According to one embodiment of present invention, be provided with barricade 23 in the base 20, barricade 23 is divided into smelting reduction sulfur district 25 and clarification disengaging zone 24 separating with the smelting reduction sulfuration of carrying out material respectively and waste residue and low nickel matte with base 20.Thus, the material in the body of heater 10 makes that through forming annular flow in the process of barricade 23 nickel, the iron in the melt fully reduces, vulcanizes, and the melt after the homogenizing is accomplished separating of slag and low nickel matte in clarification disengaging zone 24.
Advantageously, according to one embodiment of present invention, barricade 23 is cut for copper water jacket or fire-resistant kiln.Thus, the barricade 23 of this material can satisfy the fusing and the temperature of reaction needs of material in the body of heater 20, does not influence normally carrying out of melting.
According to one embodiment of present invention, be provided with electrode 241 in the clarification disengaging zone 24.Thus, electrode 241 can heat and melt is played insulation effect.
According to one embodiment of present invention, product outlet 21 is located at clarification disengaging zone 24 with waste residue outlet 22.Thus, through discharging the discharging that can realize waste residue and product nearby, improve the efficient of melting.
According to one embodiment of present invention, vent channel 13 comprises inlet mouth and air outlet, and feeding-passage 11 comprises opening for feed and discharge port (not shown), and opening for feed and said air outlet that the inlet mouth of vent channel 13 is higher than feeding-passage 11 are lower than said discharge port.Thus; The orifice throat length of vent channel 13 is longer than the passage length of feeding-passage 11; Can realize that feeding-passage 11 feeds gas and do not disturb fill process from vent channel 13 in charging; And the gas that feeds in the vent channel 13 can carry out stirring heating to material, promotes melting reaction.
Advantageously, according to one embodiment of present invention, the device of ventilation is a spray gun in 13 in vent channel, and further, said spray gun is oxygen and coal gas mixture spray gun or oxygen and Sweet natural gas mixture spray gun.Thus, through the ventilation of spray gun realization vent channel 13, can make the gas of ejection have certain speed and play the effect of stirring material, thereby promote the carrying out of melting reaction.
Specifically describe fusion process below in conjunction with embodiment according to top blow smelting equipment of the present invention.
Embodiment 1
With dried laterite, go back raw coal and sulphur and add smelting furnaces by feeding-passage 11, oxygen is sprayed in the molten bath from vent channel 13 by top-blown spray gun with the mixed gas that Sweet natural gas is formed, and is higher than melt liquid level bottom the top-blown spray gun.Dried laterite is accomplished ore fusing, ferronickel reduction reaction and nickel, iron vulcanization reaction in smelting reduction sulfur district 25.A large amount of flue gases that oxygen that top-blown spray gun sprays into and Sweet natural gas form in combustion processes form vigorous stirring to melt; Under the barricade that is arranged at the bottom, molten bath 23 effects, realize the abundant reduction and the sulfuration of nickel, ferrous metal in the melt, and can promote slag to separate with the effective of low nickel matte mixed melt.Low nickel matte is discharged in product outlet 21, and waste residue is discharged by waste residue outlet 22.
In the description of this specification sheets, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means the concrete characteristic, structure, material or the characteristics that combine this embodiment or example to describe and is contained at least one embodiment of the present invention or the example.In this manual, the schematic statement to above-mentioned term not necessarily refers to identical embodiment or example.And concrete characteristic, structure, material or the characteristics of description can combine with suitable manner in any one or more embodiment or example.
Although illustrated and described embodiments of the invention above; It is understandable that; The foregoing description is exemplary; Can not be interpreted as limitation of the present invention, those of ordinary skill in the art can change the foregoing description under the situation that does not break away from principle of the present invention and aim within the scope of the invention, modification, replacement and modification.
Claims (9)
1. a top blow smelting equipment is characterized in that, comprising:
Body of heater, said body of heater top is provided with feeding-passage and air outlet; With
Base, said base are installed on said body of heater bottom, and said base is provided with waste residue outlet and product outlet,
Wherein, be provided with vent channel in the said feeding-passage in said body of heater, to ventilate, said base holds said material reaction and discharges reaction product and waste residue.
2. top blow smelting equipment according to claim 1 is characterized in that, said body of heater and base are the copper water jacket of combined high-strength high-temperature refractory, and said HS high-temperature refractory is magnesia chrome brick or chromium-aluminium spinel brick.
3. top blow smelting equipment according to claim 1; It is characterized in that; Be provided with barricade in the said base, said barricade is divided into smelting reduction sulfur district and clarification disengaging zone separating with the smelting reduction sulfuration of carrying out material respectively and waste residue and low nickel matte with said base.
4. top blow smelting equipment according to claim 3 is characterized in that, said barricade is that copper water jacket or fire-resistant kiln are cut.
5. top blow smelting equipment according to claim 3 is characterized in that, said clarification disengaging zone is provided with electrode with heating and to isolating waste residue and the insulation of low nickel matte.
6. according to claim 1 or 3 described top blow smelting equipment, it is characterized in that said clarification disengaging zone is located in said waste residue outlet and product outlet.
7. top blow smelting equipment according to claim 1; It is characterized in that; Said vent channel comprises inlet mouth and air outlet, and said feeding-passage comprises opening for feed and discharge port, and opening for feed and said air outlet that the inlet mouth of said vent channel is higher than said feeding-passage are lower than said discharge port.
8. top blow smelting equipment according to claim 1 is characterized in that, said breather is a spray gun.
9. top blow smelting equipment according to claim 8 is characterized in that, said spray gun is oxygen and coal gas mixture spray gun or oxygen and Sweet natural gas mixture spray gun.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102066803A CN102703734A (en) | 2012-06-18 | 2012-06-18 | Top-blown smelting equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102066803A CN102703734A (en) | 2012-06-18 | 2012-06-18 | Top-blown smelting equipment |
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| CN102703734A true CN102703734A (en) | 2012-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012102066803A Pending CN102703734A (en) | 2012-06-18 | 2012-06-18 | Top-blown smelting equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113046575A (en) * | 2021-06-01 | 2021-06-29 | 中国恩菲工程技术有限公司 | Smelting method of nickel sulfide concentrate |
| CN115584401A (en) * | 2022-10-09 | 2023-01-10 | 盛屯矿业集团股份有限公司 | Process and equipment for producing high-nickel matte and ferronickel alloy from laterite-nickel ore |
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| CN2095201U (en) * | 1991-06-29 | 1992-02-05 | 中国科学院化工冶金研究所 | Premixing type coal oxygen mine fusion agent spray gun |
| CN2100593U (en) * | 1991-07-30 | 1992-04-01 | 北京有色金属研究总院 | Melt immersion powder spray gun |
| CN101165196A (en) * | 2006-10-19 | 2008-04-23 | 中国恩菲工程技术有限公司 | Technique for continuously smelting copper by employing oxygen bottom converter and device thereof |
| CN101705360A (en) * | 2009-11-26 | 2010-05-12 | 阳谷祥光铜业有限公司 | Copper-smelting thermal slag iron-extracting process and device |
| CN101838747A (en) * | 2009-12-30 | 2010-09-22 | 中国恩菲工程技术有限公司 | Smelting furnace for nickel-bearing laterite ore |
| CN102041386A (en) * | 2009-10-19 | 2011-05-04 | 奥图泰有限公司 | Method of using a suspension smelting furnace, and a suspension smelting furnace |
| CN102181661A (en) * | 2011-04-15 | 2011-09-14 | 东营鲁方金属材料有限公司 | Copper smelting device and process |
| CN202786377U (en) * | 2012-06-18 | 2013-03-13 | 中国恩菲工程技术有限公司 | Top blowing melting equipment |
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Patent Citations (8)
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| CN2095201U (en) * | 1991-06-29 | 1992-02-05 | 中国科学院化工冶金研究所 | Premixing type coal oxygen mine fusion agent spray gun |
| CN2100593U (en) * | 1991-07-30 | 1992-04-01 | 北京有色金属研究总院 | Melt immersion powder spray gun |
| CN101165196A (en) * | 2006-10-19 | 2008-04-23 | 中国恩菲工程技术有限公司 | Technique for continuously smelting copper by employing oxygen bottom converter and device thereof |
| CN102041386A (en) * | 2009-10-19 | 2011-05-04 | 奥图泰有限公司 | Method of using a suspension smelting furnace, and a suspension smelting furnace |
| CN101705360A (en) * | 2009-11-26 | 2010-05-12 | 阳谷祥光铜业有限公司 | Copper-smelting thermal slag iron-extracting process and device |
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| CN202786377U (en) * | 2012-06-18 | 2013-03-13 | 中国恩菲工程技术有限公司 | Top blowing melting equipment |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113046575A (en) * | 2021-06-01 | 2021-06-29 | 中国恩菲工程技术有限公司 | Smelting method of nickel sulfide concentrate |
| CN115584401A (en) * | 2022-10-09 | 2023-01-10 | 盛屯矿业集团股份有限公司 | Process and equipment for producing high-nickel matte and ferronickel alloy from laterite-nickel ore |
| CN115584401B (en) * | 2022-10-09 | 2023-12-22 | 盛屯矿业集团股份有限公司 | Process and equipment for producing high-nickel matte and ferronickel alloy from laterite-nickel ore |
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Application publication date: 20121003 |