CN204385257U - The drying of flash metallurgy and prereduction system - Google Patents
The drying of flash metallurgy and prereduction system Download PDFInfo
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- CN204385257U CN204385257U CN201420850125.9U CN201420850125U CN204385257U CN 204385257 U CN204385257 U CN 204385257U CN 201420850125 U CN201420850125 U CN 201420850125U CN 204385257 U CN204385257 U CN 204385257U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The utility model proposes a kind of drying and prereduction system of flash metallurgy, comprise: flash smelting furnace, waste heat boiler and rotary kiln, wherein, flash smelting furnace comprises vertical reaction tower, at the bottom of horizontal chamber oven, metallurgical ore deposit nozzle, molten bath nozzle and discharge flue, there is in vertical reaction tower suspended smelting chamber, there is at the bottom of horizontal chamber oven melting chamber, the bottom of melting chamber is formed with molten bath, top at the bottom of horizontal chamber oven is connected with the lower end of vertical reaction tower, so that melting chamber and suspended smelting chamber, molten bath nozzle is located on the sidewall at the bottom of horizontal chamber oven, the lower end of discharge flue be connected with the top at the bottom of horizontal chamber oven and and vertical reaction tower interval arrange, waste heat boiler has into mouth, dust-exhausting port and venting port, enters mouth and is connected with discharge flue, and rotary kiln has wet concentrate entrance, Concentrate Drying outlet and inlet mouth and smoke outlet, inlet mouth is connected with venting port.Utilize the drying of this flash metallurgy and prereduction system significantly can reduce smelting cost.
Description
Technical field
The utility model belongs to field of metallurgical equipment, and specifically, the utility model relates to a kind of drying and prereduction system of flash metallurgy.
Background technology
The existing equipment for smelting all needs a set of drying plant that be arranged in parallel, and for providing dry concentrate for smelting equipment, but usual a set of drying plant also needs to provide heat resource equipment.Therefore, the cost of cost of investment significantly beyond smelting equipment of the drying plant of dry wet concentrate is often used for.Therefore, the existing equipment for drying and smelting concentrate is further improved.
Utility model content
The utility model is intended to solve one of technical problem in correlation technique at least to a certain extent.For this reason, an object of the present utility model be to propose a kind of have energy-conservation, efficiency is high, the drying of the flash metallurgy of output advantages of higher and prereduction system.
According to drying and the prereduction system of the flash metallurgy of the utility model embodiment, comprising:
Flash smelting furnace, described flash smelting furnace comprises vertical reaction tower, at the bottom of horizontal chamber oven, metallurgical ore deposit nozzle, molten bath nozzle and discharge flue, there is in described vertical reaction tower suspended smelting chamber, there is at the bottom of described horizontal chamber oven melting chamber, the bottom of described melting chamber is formed with molten bath, top at the bottom of described horizontal chamber oven is connected with the lower end of described vertical reaction tower, so that described melting chamber and described suspended smelting chamber, described molten bath nozzle is located on the sidewall at the bottom of described horizontal chamber oven, the lower end of described discharge flue be connected with the top at the bottom of described horizontal chamber oven and and described vertical reaction tower interval arrange,
Waste heat boiler, described waste heat boiler has into mouth, dust-exhausting port and venting port, described in enter mouth and be connected with described discharge flue; And
Rotary kiln, described rotary kiln has wet concentrate entrance, Concentrate Drying outlet and inlet mouth and smoke outlet, and described inlet mouth is connected with described venting port.
According to the drying of the flash metallurgy of the utility model embodiment and prereduction system, there is flash smelting furnace, waste heat boiler and rotary kiln, the high-temperature flue gas with reductibility produced in flash smelting furnace can be utilized to carry out drying and pre-reduction treatment to wet concentrate at rotary kiln.Can eliminate thus separately for flash smelting furnace be arranged in parallel drying installation and provide thermal source in addition, and then save considerably facility investment and energy consumption, reduce metallurgical production cost.Can control the temperature of the flue gas entered in rotary kiln by arranging waste heat boiler between flash smelting furnace and rotary kiln simultaneously, making drying and the pre-reduction treatment of its applicable wet concentrate; Effectively prevent because temperature is too high, make wet concentrate drying reduction reblocking equipment, not easily discharge in rotary kiln, reduce drying efficiency.Adopt the drying of the flash metallurgy of the utility model above-described embodiment and prereduction system can recycle high-temperature flue gas, avoid high-temperature flue gas directly to discharge simultaneously and cause energy waste and environmental pollution, and then can energy utilization rate be significantly improved.
In the utility model, described dust-exhausting port is connected with described metallurgical ore deposit nozzle.The residual metal in flue dust can be reclaimed thus.
In the utility model, drying and the prereduction system of the flash metallurgy of above-described embodiment comprise further: mouse cage beater, described mouse cage beater is located in the Concentrate Drying outlet of described rotary kiln, can will may break up the Concentrate Drying of part adhesive thus, obtain dry fine ore.
In the utility model, drying and the prereduction system of the flash metallurgy of above-described embodiment comprise further: wet concentrate case, and described wet concentrate case is arranged on described wet concentrate entrance.The efficiency of adding wet concentrate in rotary kiln can be improved thus.
In the utility model, described Concentrate Drying outlet is connected with described metallurgical ore deposit nozzle.Concentrate after dry and prereduction can be directly used in smelting thus, reduce flash smelting furnace and smelt load, improve efficiency.
In the utility model, described rotary kiln is inclined relative to horizontal setting, and described wet concentrate entrance is exported higher than Concentrate Drying in the horizontal direction.So that flue gas contacts with wet concentrate, dried concentrate can be improved and discharges and drying efficiency thus.
Accompanying drawing explanation
Fig. 1 is the structural representation of drying according to the flash metallurgy of the utility model embodiment and prereduction system.
Embodiment
Drying and the prereduction system of the flash metallurgy of the utility model specific embodiment are described below in detail.
As shown in Figure 1, the drying of the flash metallurgy of the utility model specific embodiment and prereduction system comprise: flash smelting furnace 10, waste heat boiler 20 and rotary kiln 30.
Wherein, flash smelting furnace comprises: at the bottom of vertical reaction tower 11, horizontal chamber oven 12, metallurgical ore deposit nozzle 13, molten bath nozzle 14 and discharge flue 15;
Waste heat boiler 20 has into mouth 21, dust-exhausting port 22 and venting port 23, enters mouth 21 and is connected with discharge flue 15;
Rotary kiln 30 has wet concentrate entrance 31, Concentrate Drying outlet 32 and inlet mouth 33 and smoke outlet 34, and inlet mouth 33 is connected with venting port 23.
According to specific embodiment of the utility model, in the vertical reaction tower 11 in flash smelting furnace 10, there is suspended smelting chamber 16; Have melting chamber 17 in 12 at the bottom of horizontal chamber oven, the bottom of melting chamber 17 is formed with molten bath 18, and at the bottom of horizontal chamber oven, the top of 12 is connected with the lower end of vertical reaction tower 11, so that melting chamber 17 is communicated with suspended smelting chamber 16; Metallurgical ore deposit nozzle 13 is located at the top of vertical reaction tower 11, to spray into dry concentrate, fine coal, Jiao Li, flux and oxygen from the top of vertical reaction tower 11 in suspended smelting chamber 16; Molten bath nozzle 14 is located on the sidewall of at the bottom of horizontal chamber oven 12, to spray into fine coal and oxygen to molten bath 18 in melting chamber; And the lower end of discharge flue 15 with at the bottom of horizontal chamber oven 12 top be connected and and vertical reaction tower 11 interval arrange.
According to the drying of the flash metallurgy of the utility model embodiment and prereduction system, there is flash smelting furnace, waste heat boiler and rotary kiln, the flue gas with certain reductibility of the high temperature produced in flash smelting furnace can be utilized to carry out drying and pre-reduction treatment to wet concentrate at rotary kiln.Can eliminate thus separately for flash smelting furnace be arranged in parallel drying installation and provide thermal source in addition, and then save considerably facility investment and energy consumption, reduce metallurgical production cost.Can control the temperature of the flue gas entered in rotary kiln by arranging waste heat boiler between flash smelting furnace and rotary kiln simultaneously, making drying and the pre-reduction treatment of its applicable wet concentrate.Effectively prevent because temperature is too high, make wet concentrate drying reduction reblocking equipment, not easily discharge in rotary kiln, reduce drying efficiency.Adopt the drying of the flash metallurgy of the utility model above-described embodiment and prereduction system can recycle high-temperature flue gas, avoid high-temperature flue gas directly to discharge simultaneously and cause energy waste and environmental pollution.And then can energy utilization rate be significantly improved.
According to specific embodiment of the utility model, the dust-exhausting port 22 of waste heat boiler 20 is connected with metallurgical ore deposit nozzle 13.The dirt ash collected in waste heat boiler 12 can be returned flash smelting furnace 10 thus to reclaim.
Alternatively, drying and the prereduction system of the flash metallurgy of above-described embodiment can further include: mouse cage beater, and mouse cage beater is located at (not shown) in Concentrate Drying outlet 32.Mouse cage beater can be utilized thus to break up the Concentrate Drying through the dried bonding of rotary kiln 30, the Concentrate Drying powder of powdery can be obtained thus.
Alternatively, drying and the prereduction system of the flash metallurgy of above-described embodiment can further include: wet concentrate case 40, wet concentrate case 40 is arranged in wet concentrate entrance 31.So that add wet concentrate in rotary kiln 30, drying efficiency can be improved thus.
Further, described Concentrate Drying outlet 32 is connected with metallurgical ore deposit nozzle 13.Thus dried dry concentrate is directly used in smelting, improves efficiency.In addition, in dried dry concentrate, part concentrate is reduced by the reducing gas in flue gas, can alleviate the smelting load in flash smelting furnace 10 thus, increases and smelts output.
Alternatively, as shown in Figure 1, rotary kiln 30 is inclined relative to horizontal setting, and makes wet concentrate entrance 31 in the horizontal direction higher than Concentrate Drying outlet 32.Be convenient to flue gas thus upwards walk, wet concentrate is walked downwards, and the contact efficiency of both raisings is convenient to the discharge of dried concentrate simultaneously, improves drying efficiency.
Adopt the drying of the flash metallurgy of the utility model above-described embodiment and prereduction system to eliminate the drying plant be arranged in parallel with flash smelting furnace, also eliminate a large amount of thermals source for drying plant provides simultaneously.Adopt drying and the prereduction system of the flash metallurgy of above-described embodiment can make full use of the interior reductibility with the high-temperature flue gas of reducing gas that produces of flash smelting furnace and heat carries out drying and pre-reduction treatment to wet concentrate, and then improve the secondary valence value of flue gas, reduce metallurgical cost.
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 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; 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.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 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 need not 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. the drying of flash metallurgy and a prereduction system, is characterized in that, comprising:
Flash smelting furnace, described flash smelting furnace comprises vertical reaction tower, at the bottom of horizontal chamber oven, metallurgical ore deposit nozzle, molten bath nozzle and discharge flue, there is in described vertical reaction tower suspended smelting chamber, there is at the bottom of described horizontal chamber oven melting chamber, the bottom of described melting chamber is formed with molten bath, top at the bottom of described horizontal chamber oven is connected with the lower end of described vertical reaction tower, so that described melting chamber and described suspended smelting chamber, described molten bath nozzle is located on the sidewall at the bottom of described horizontal chamber oven, the lower end of described discharge flue be connected with the top at the bottom of described horizontal chamber oven and and described vertical reaction tower interval arrange,
Waste heat boiler, described waste heat boiler has into mouth, dust-exhausting port and venting port, described in enter mouth and be connected with described discharge flue; And
Rotary kiln, described rotary kiln has wet concentrate entrance, Concentrate Drying outlet and inlet mouth and smoke outlet, and described inlet mouth is connected with described venting port.
2. the drying of flash metallurgy according to claim 1 and prereduction system, it is characterized in that, described dust-exhausting port is connected with described metallurgical ore deposit nozzle.
3. the drying of flash metallurgy according to claim 1 and prereduction system, is characterized in that, comprise further: mouse cage beater, and described mouse cage beater is located in the Concentrate Drying outlet of described rotary kiln.
4. the drying of flash metallurgy according to claim 3 and prereduction system, it is characterized in that, comprise further: wet concentrate case, described wet concentrate case is arranged in described wet concentrate entrance.
5. the drying of flash metallurgy according to claim 1 and prereduction system, is characterized in that, described Concentrate Drying outlet is connected with described metallurgical ore deposit nozzle.
6. the drying of flash metallurgy according to claim 1 and prereduction system, it is characterized in that, described rotary kiln is inclined relative to horizontal setting, and described wet concentrate entrance is exported higher than Concentrate Drying in the horizontal direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201420850125.9U CN204385257U (en) | 2014-12-26 | 2014-12-26 | The drying of flash metallurgy and prereduction system |
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| CN201420850125.9U CN204385257U (en) | 2014-12-26 | 2014-12-26 | The drying of flash metallurgy and prereduction system |
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| CN204385257U true CN204385257U (en) | 2015-06-10 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107523660A (en) * | 2017-10-10 | 2017-12-29 | 徐州贝克福尔节能环保技术有限公司 | A kind of siderite, which suspends, decomposes Flash Smelting pig iron equipment and technique |
| CN111519029A (en) * | 2020-06-08 | 2020-08-11 | 天津闪速炼铁技术有限公司 | Flash circulating smelting system built by high-temperature heat exchanger |
-
2014
- 2014-12-26 CN CN201420850125.9U patent/CN204385257U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107523660A (en) * | 2017-10-10 | 2017-12-29 | 徐州贝克福尔节能环保技术有限公司 | A kind of siderite, which suspends, decomposes Flash Smelting pig iron equipment and technique |
| CN111519029A (en) * | 2020-06-08 | 2020-08-11 | 天津闪速炼铁技术有限公司 | Flash circulating smelting system built by high-temperature heat exchanger |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170626 Address after: 300202 Tianjin City, Hexi District Dongjiang South Road Qinglin building 1/2-2-117 Patentee after: TIANJIN FLASH IRONMAKING TECHNOLOGY CO., LTD. Address before: 100050 2-1-402 room, No. 2 Taoranting Park Road, Beijing, Xuanwu District Patentee before: Qiu Jiangbo |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170628 Address after: 300202 Tianjin City, Hexi District Dongjiang South Road Qinglin building 1/2-2-117 Patentee after: TIANJIN FLASH IRONMAKING TECHNOLOGY CO., LTD. Address before: 100050 2-1-402 room, No. 2 Taoranting Park Road, Beijing, Xuanwu District Patentee before: Qiu Jiangbo |