CN103103343A - Thermal-insulating, oxidizing and cooling device used in vanadium extraction from stone coal and using method of device - Google Patents
Thermal-insulating, oxidizing and cooling device used in vanadium extraction from stone coal and using method of device Download PDFInfo
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- CN103103343A CN103103343A CN2013100628868A CN201310062886A CN103103343A CN 103103343 A CN103103343 A CN 103103343A CN 2013100628868 A CN2013100628868 A CN 2013100628868A CN 201310062886 A CN201310062886 A CN 201310062886A CN 103103343 A CN103103343 A CN 103103343A
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Abstract
The invention relates to a thermal-insulating, oxidizing and cooling device used in vanadium extraction from stone coal and a using method of the device, and the device belongs to the technical field of vanadium extraction. The thermal-insulating, oxidizing and cooling device comprises a secondary air fan, a screening chute, a thermal-insulating and oxidizing segment, a heat compensation system, a cooling segment, a vibrating discharge device and a chain-slat conveyor, wherein the screening chute is supported on a beam at the upper part of the thermal-insulating and oxidizing segment in an inclined way and an angle of 25 degrees is formed between the screening chute and the horizontal surface, the thermal-insulating and oxidizing segment is arranged under the screening chute, the cooling segment is arranged below the thermal-insulating and oxidizing segment; the cooling segment is directly communicated with the thermal-insulating and oxidizing segment in a welded way, the lower end of the cooling segment is connected with the vibrating discharge device through bolts; conveying equipment, namely the chain-slat conveyor is arranged at a 350mm part below the vibrating discharge device; the heat compensation system is arranged 300mm above the connection part of the thermal-insulating and oxidizing segment and the cooling segment; the heat compensation system is connected with the thermal-insulating and oxidizing segment through flange bolts; the secondary air fan is introduced into the cooling segment (5) through an air pipeline; and the air pipeline of the secondary air fan (1) is connected with the cooling segment (5) through flange bolts. The thermal-insulating, oxidizing and cooling device and the using method of the device have the advantages of solving the problems such as insufficient oxidizing atmosphere and short thermal insulation time in stone mine calcination.
Description
Technical field
The invention belongs to the vanadium extraction technical field, particularly relate to a kind of extracting vanadium from stone coal insulation, oxidation, refrigerating unit and using method thereof.
Background technology
Vanadium is a kind of rare weak and sticky transition metal, it is a kind of important strategic material, along with the vanadium demand increases, the domestic extracting vanadium from stone coal that occurs, bone coal saltless roasting vanadium extraction key is that trivalent vanadium in bone coal is changed into the pentavalent vanadium, traditional technology adopts the shaft kiln roasting, because of maturing temperature inhomogeneous, the oxygen atmosphere is not enough, and the time can't accurately be controlled, and causes in bone coal trivalent vanadium to change into pentavalent vanadium efficient low.In bone coal, trivalent vanadium changes into the pentavalent vanadium needs specific oxidation atmosphere, suitable temperature and appropriate time, for solving transition problem, designs a kind of extracting vanadium from stone coal insulation, oxidation, refrigerating unit.
Summary of the invention
The object of the present invention is to provide a kind of extracting vanadium from stone coal insulation, oxidation, refrigerating unit and using method thereof, in the roasting of solution bone coal, soaking time is short, and the oxidation atmosphere is not enough, and oxidation is insufficient, the problem of trivalent vanadium low conversion rate.
The present invention includes overfire air fan 1, screening chute 2, insulation oxidation panel 3, concurrent heating system 4, cooling section 5, vibration drawing mechanism 6, chain mat machine 7.screening chute 2 becomes 25 ° of inclined bearings on insulation oxidation panel 3 upper beam with the plane, it is insulation oxidation panel 3 under screening chute 2, the insulation oxidation panel is high 4 meters, structure is outer steel construction, the internal layer refractory materials, the insulation oxidation panel is for 3 times cooling section 5, cooling section 5 directly welds with insulation oxidation panel 3 and is communicated with, cooling section 5 is high 5.6 meters, structure is outer steel construction, the internal layer refractory materials, cooling section 5 lower ends are bolted vibration drawing mechanism 6, vibration drawing mechanism 6 below 350mm are that handling equipment chain mat machine 7(vibration drawing mechanism 6 does not contact with chain mat machine 7, without any connecting), insulation oxidation panel 3 and cooling section junction top 300mm are concurrent heating systems 4, concurrent heating system 4 is connected by flange bolt with insulation oxidation panel 3, overfire air fan 1 basis is on absolute altitude ± 0.00 plane, introduce cooling section 5 through wind pipeline, 2 entrances of wind pipeline lay respectively at cooling section 5 lower port top 1000mm, the 4000mm place, overfire air fan 1 wind pipeline is connected by flange bolt with cooling section 5.
brief description of the process: the high temperature ball through the stove heating enters apparatus of the present invention, screening chute 2 separates bulk material and qualified hot-bulb, the bulk material is discharged by slag-drip opening and is pulled away, qualified hot-bulb enters insulation oxidation panel 3, hot-bulb is in steady temperature, be incubated 1.5～2 hours under the sufficient oxygen atmosphere, overfire air fan 1 provides air, air is through the cooling hot-bulb of cooling section 5, absorb heat and change warm air into, warm air enters insulation oxidation panel 3, for insulation oxidation panel 3 provides heat and oxygen, concurrent heating system 4 provides heat, measure insulation oxidation panel 3 temperature according to temperature thermocouple, adjusting nozzle flow 2000～3000 cubic meters/hour, guarantee that insulation oxidation panel 3 homo(io)thermism are at 890～920 ℃, cooled ball warp vibration drawing mechanism 6, uniform discharge, chain mat machine 7 is transported to next process.Process flow sheet is seen Fig. 3.
Innovative point of the present invention:
1, propose a kind of new approaches, same device is realized insulation, oxidation, refrigerating function, increases insulation, oxidation system before cooling section, takes full advantage of vanadium ball heat.
2, increase the insulation oxidation panel on refrigerating unit, shortened process increases cooling air quantity, has both improved cooling section vanadium ball cooling efficiency, guarantees again the oxidation atmosphere that holding-zone vanadium ball is enough.
The present invention has the following advantages:
1, shortened process:
By processing requirement, the vanadium ball is cooling frontly need to be incubated certain hour under the oxygen atmosphere of abundance and constant temp.Generally, needing is increasing constant heat-preserving equipment, then by providing Oxygen service to the heat-preserving equipment oxygen supply, could satisfy processing requirement.Epimere of the present invention has the insulation oxygenizement, has enough oxygen, guarantee enough oxidation atmosphere, can regulate heat patching device, guarantee homo(io)thermism, the insulation oxidation panel has certain altitude, satisfy the soaking time requirement, the present invention can satisfy processing requirement fully, can substitute oxygen supply equipment and constant heat-preserving equipment, shortened process.
2, take full advantage of heat energy:
Overfire air fan divides pressurized air two-way to be blown into apparatus of the present invention hypomere, carries out heat exchange with the vanadium ball of hypomere, is reduced to below specified temperature going out bulb temperature, brings holding-zone heat simultaneously.Holding-zone needs a certain amount of air because of the oxidation atmosphere of need abundance, and these air are taken away a large amount of heat energy, enter stove by the present invention, and these heats are that stove needs the vanadium ball of roasting for the part heat.
3, strengthen the oxidation atmosphere:
Generally, provide oxygen in constant heat-preserving equipment, need to use Air supply facility, could satisfy processing requirement.
The ingenious utilization secondary air of this device is first passed through the cooling hot-bulb of cooling section, simultaneously for holding-zone provides sufficient oxygen, satisfies the oxidation atmosphere of processing requirement.
Description of drawings
The present invention is further described below in conjunction with accompanying drawing
Fig. 1 is a kind of vanadium extraction insulation, oxidation, refrigerating unit vertical planning drawing.Wherein, overfire air fan 1, screening chute 2, insulation oxidation panel 3, concurrent heating system 4, cooling section 5, vibration drawing mechanism 6, chain mat machine 7.
Fig. 2 is a kind of vanadium extraction insulation, oxidation, refrigerating unit vertical planning drawing (becoming 90 ° with Fig. 1).
Fig. 3 is a kind of vanadium extraction insulation, oxidation, refrigerating unit process flow sheet.
Embodiment
Fig. 1～Fig. 3 is a kind of embodiment of the present invention.
The present invention includes overfire air fan 1, screening chute 2, insulation oxidation panel 3, concurrent heating system 4, cooling section 5, vibration drawing mechanism 6, chain mat machine 7.screening chute 2 becomes 25 ° of inclined bearings on insulation oxidation panel 3 upper beam with the plane, it is insulation oxidation panel 3 under screening chute 2, the insulation oxidation panel is high 4 meters, structure is outer steel construction, the internal layer refractory materials, the insulation oxidation panel is for 3 times cooling section 5, cooling section 5 directly welds with insulation oxidation panel 3 and is communicated with, cooling section 5 is high 5.6 meters, structure is outer steel construction, the internal layer refractory materials, cooling section 5 lower ends are bolted vibration drawing mechanism 6, vibration drawing mechanism 6 below 350mm are that handling equipment chain mat machine 7(vibration drawing mechanism 6 does not contact with chain mat machine 7, without any connecting), insulation oxidation panel 3 and cooling section junction top 300mm are concurrent heating systems 4, concurrent heating system 4 is connected by flange bolt with insulation oxidation panel 3, overfire air fan 1 basis is on absolute altitude ± 0.00 plane, introduce cooling section 5 through wind pipeline, 2 entrances of wind pipeline lay respectively at cooling section 5 lower port top 1000mm, the 4000mm place, overfire air fan 1 wind pipeline is connected by flange bolt with cooling section 5.
high temperature vanadium ball through the stove heating enters apparatus of the present invention, separate through screening chute 2, bulk material and qualified hot-bulb are separated, the bulk material is discharged by slag-drip opening and is pulled away, qualified hot-bulb enters insulation oxidation panel 3, hot-bulb needs in steady temperature, be incubated certain hour under the sufficient oxygen atmosphere, overfire air fan 1 provides air, through the cooling hot-bulb of cooling section 5, absorb heat and become warm air, warm air enters insulation oxidation panel 3, for insulation oxidation panel 3 provides heat and oxygen, concurrent heating system 4 provides suitable heat for insulation oxidation panel 3, measure insulation oxidation panel 3 temperature according to temperature thermocouple, regulate insulation nozzle gas flow, guarantee insulation oxidation panel 3 homo(io)thermism, cooled ball warp vibration drawing mechanism 6, uniform discharge, be transported to next process through chain mat machine 7.
Claims (4)
1. an extracting vanadium from stone coal insulation, oxidation, refrigerating unit is characterized in that, comprise overfire air fan (1), screening chute (2), insulation oxidation panel (3), concurrent heating system (4), cooling section (5), vibration discharging (6), chain mat machine (7), screening chute (2) becomes 25 ° of inclined bearings on insulation oxidation panel (3) upper beam with the plane, it is insulation oxidation panel (3) under screening chute (2), cooling section (5) under insulation oxidation panel (3), cooling section (5) directly welds with insulation oxidation panel (3) and is communicated with, cooling section (5) lower end is bolted vibration drawing mechanism (6), vibration drawing mechanism (6) below 350mm is handling equipment chain mat machine (7), insulation oxidation panel (3) is concurrent heating system (4) with cooling section junction top 300mm, concurrent heating system (4) is connected by flange bolt with insulation oxidation panel (3), overfire air fan (1) is introduced cooling section (5) through wind pipeline, 2 entrances of wind pipeline lay respectively at cooling section (5) lower port top 1000mm, the 4000mm place, overfire air fan (1) wind pipeline is connected by flange bolt with cooling section (5).
2. device according to claim 1 is characterized in that: insulation oxidation panel (3) is high 4 meters, and structure is outer steel construction, the internal layer refractory materials.
3. device according to claim 1, it is characterized in that: cooling section (5) is high 5.6 meters, and structure is outer steel construction, the internal layer refractory materials.
4. extracting vanadium from stone coal insulation claimed in claim 1, oxidation, the using method of refrigerating unit, it is characterized in that: screening chute (2) separates bulk material and qualified hot-bulb, the bulk material is discharged by slag-drip opening and is pulled away, qualified hot-bulb enters insulation oxidation panel (3), hot-bulb is in steady temperature, be incubated 1.5～2 hours under the sufficient oxygen atmosphere, overfire air fan (1) provides large quantity of air, through the cooling hot-bulb of cooling section (5), absorb heat, warm air enters insulation oxidation panel (3), for insulation oxidation panel (3) provides heat and oxygen, concurrent heating system (4) provides heat, measure insulation oxidation panel (3) temperature according to temperature thermocouple, adjusting nozzle flow 2000～3000 cubic meters/hour, guarantee that insulation oxidation panel (3) homo(io)thermism is at 890～920 ℃, cooled ball warp vibration discharging (6), uniform discharge, chain mat machine (7) is carried.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013100628868A CN103103343A (en) | 2013-02-27 | 2013-02-27 | Thermal-insulating, oxidizing and cooling device used in vanadium extraction from stone coal and using method of device |
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| CN2013100628868A CN103103343A (en) | 2013-02-27 | 2013-02-27 | Thermal-insulating, oxidizing and cooling device used in vanadium extraction from stone coal and using method of device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103440381A (en) * | 2013-08-28 | 2013-12-11 | 中国航空工业集团公司沈阳发动机设计研究所 | Thermal compensation design method for high-temperature air pipeline |
| CN106119537A (en) * | 2016-08-17 | 2016-11-16 | 大峘集团有限公司 | A kind of for sintering deposit, the locellus chiller of pellet |
| CN114472176A (en) * | 2022-01-04 | 2022-05-13 | 承德信通首承科技有限责任公司 | Production method and device of high-vanadium pellet ore |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103440381A (en) * | 2013-08-28 | 2013-12-11 | 中国航空工业集团公司沈阳发动机设计研究所 | Thermal compensation design method for high-temperature air pipeline |
| CN103440381B (en) * | 2013-08-28 | 2016-08-10 | 中国航空工业集团公司沈阳发动机设计研究所 | A kind of compensation design method of high temperature air pipeline |
| CN106119537A (en) * | 2016-08-17 | 2016-11-16 | 大峘集团有限公司 | A kind of for sintering deposit, the locellus chiller of pellet |
| CN106119537B (en) * | 2016-08-17 | 2018-08-31 | 大峘集团有限公司 | A kind of locellus cooling device being used for sinter, pellet |
| CN114472176A (en) * | 2022-01-04 | 2022-05-13 | 承德信通首承科技有限责任公司 | Production method and device of high-vanadium pellet ore |
| CN114472176B (en) * | 2022-01-04 | 2023-01-03 | 承德信通首承科技有限责任公司 | Production method and device of high-vanadium pellet ore |
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Application publication date: 20130515 |