CN110408779A - A method of the resource comprehensive utilization of solid waste containing vanadium utilizes - Google Patents
A method of the resource comprehensive utilization of solid waste containing vanadium utilizes Download PDFInfo
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- CN110408779A CN110408779A CN201910677862.0A CN201910677862A CN110408779A CN 110408779 A CN110408779 A CN 110408779A CN 201910677862 A CN201910677862 A CN 201910677862A CN 110408779 A CN110408779 A CN 110408779A
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- C22B5/04—Dry methods smelting of sulfides or formation of mattes by aluminium, other metals or silicon
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
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Abstract
The invention discloses a kind of methods that the resource comprehensive utilization of solid waste containing vanadium utilizes, it the described method comprises the following steps: (1) 50 vanadium iron silicon warm sludges and vanadium aluminium waste and vanadic anhydride, aluminum shot, abrasive grit, lime, cold burden being mixed according to certain mass ratio, obtain mixing material；(2) material will be mixed and puts into electric furnace, 50 vanadium iron are smelted using electro-aluminothermic process, so that material is reacted by electrode ignition；(3) smelting terminates to use natural cooling, tears furnace open after cooling and skims, obtains vanadium iron ingot, 50 vanadium iron qualified products and 50 ferrovanadium dusts are obtained after crushing and screening, 50 ferrovanadium dusts are recycled.The present invention smelts 50 vanadium iron technologies by electro-aluminothermic process, carry out resource recycling to 50 vanadium iron silicon warm sludges, vanadium aluminium waste solid waste containing vanadium, metal vanadium recovery in solid waste containing vanadium is 90.0~95.0%, 50 vanadium iron yield averagely promote 2~3%, meet the mode of circular economy and the developing direction of manufacturing industry green production.
Description
Technical field
The invention belongs to vanadium iron production technical fields, and in particular to what a kind of resource comprehensive utilization of solid waste containing vanadium utilized
Method.
Background technique
Vanadium iron is widely used in alloy smelting steel as a kind of alloy addition, and the production method mainstream of 50 vanadium iron
Technique is electro silicothermic process and electro-aluminothermic process.Electro silicothermic process smelt 50 vanadium iron generate 50 vanadium iron silicon warm sludges, V content be 9.0~
15.0%, it is a kind of important waste containing vanadium.The screening link during vananum is produced, a certain amount of vanadium aluminium can be generated
Alloy powder (granularity < 1mm), is unsatisfactory for the granularity requirements of qualified product, it is considered to be vananum waste material, main component are as follows:
V:55.00~59.90%, Al:40.0~45.0%.If above two solid waste containing vanadium cannot effectively be used, it is not inconsistent first
The development model of circular economy is closed, secondly solid waste accumulates the requirement for causing environmental issue also to run counter to green production, in addition to this,
Caused by valuable metal loss be also unfavorable for enterprise's cost efficiency.
50 vanadium iron are produced using electro-aluminothermic process, primary raw material is: vanadic anhydride, aluminum shot, abrasive grit, lime, cold burden etc., cold
Material is that granularity is less than 10mm, 50 ferrovanadium dusts that cannot be sold outside.It is a certain amount of due to containing in 50 vanadium iron silicon warm sludges and vanadium aluminium waste
Valuable metal vanadium, therefore how by both waste materials containing vanadium, the raw material for producing 50 vanadium iron with electro-aluminothermic process mixes by a certain percentage
It closes, smelting 50 vanadium iron techniques to recycle valuable metal therein by electro-aluminothermic process is urgent problem.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of methods that the resource comprehensive utilization of solid waste containing vanadium utilizes.The invention
50 vanadium iron technologies are smelted by electro-aluminothermic process, resource reclaim benefit has been carried out to solid wastes containing vanadium such as 50 vanadium iron silicon warm sludges, vanadium aluminium wastes
With the metal vanadium recovery in solid waste containing vanadium is that 90.0~95.0%, 50 vanadium iron yield averagely promote 2~3%；It efficiently solves and contains
Environmental issue caused by vanadium solid waste is accumulated, meets the development model of circular economy.
In order to solve the above technical problems, the technical solution adopted by the present invention is that: a kind of resource comprehensive utilization of solid waste containing vanadium benefit
Method the described method comprises the following steps:
(1) by 50 vanadium iron silicon warm sludges and vanadium aluminium waste and vanadic anhydride, aluminum shot, abrasive grit, lime, cold burden according to 50 vanadium iron silicon heat
Slag: vanadic anhydride=0.03~0.05:1, vanadium aluminium waste: vanadic anhydride=0.02~0.05:1, aluminum shot: vanadic anhydride=
0.50~0.60:1, abrasive grit: vanadic anhydride=0.40~0.50:1, lime: vanadic anhydride=0.05~0.15:1, cold burden:
Vanadic anhydride=0.10~0.30:1 mass ratio mixes, and obtains mixing material；
(2) material will be mixed and puts into electric furnace, 50 vanadium iron are smelted using electro-aluminothermic process, so that material is reacted by electrode ignition,
Electrode ignition voltage be 160~180V, 7000~8000A of electric current, 1600~1800 DEG C of smelting temperature, electrode energization period 5~
15min；
(3) smelting terminates to use 20~30h of natural cooling, tears furnace open after cooling, separates slag gold, and slag blanket can sell to building materials enterprise outside
Industry obtains 50 vanadium iron qualified products and 50 ferrovanadium dusts after vanadium iron ingot crushing and screening, and 50 ferrovanadium dusts are recycled.
(1) 50 vanadium iron silicon warm sludge V content of step of the present invention are as follows: 9.0~15.0%, granularity≤30mm；Vanadium aluminium waste master
Want ingredient: V:55.00~59.99%, Al:40~45%, granularity < 1mm.
Step (1) vanadic anhydride ingredient of the present invention are as follows: V2O5≥98%、P≤0.050%、S≤0.030%、 K2O+
Na2O≤1.5%, lumpiness≤25mm × 25mm；Aluminum shot ingredient are as follows: Al >=99.0%, granularity: 1.0~6.0mm；Abrasive grit: Fe >=
99.0%, granularity: 1.0~8.0mm；Lime: CaO >=86.0%, P≤0.06%, activity >=300ml, granularity: 10~20mm；It is cold
Material: V:48.0~55.0%, Si≤3.0%, P≤0.10%, Al≤2.5%, granularity < 10mm.
50 vanadium iron qualified products: V:48.0~55.0%, C≤0.40%, Si are obtained after step (3) crushing and screening of the present invention
≤ 2.0%, P≤0.06%, S≤0.04%, Al≤1.5%, granularity: 10~50mm.
Obtain 50 ferrovanadium dusts after step (3) crushing and screening of the present invention: V:48.0~55.0%, C≤0.40%, Si≤
2.0%, P≤0.06%, S≤0.04%, Al≤1.5%, granularity < 10mm.
The metal vanadium recovery of 50 vanadium iron silicon warm sludge of the method for the invention solid waste containing vanadium and vanadium aluminium waste be 90.0~
95.0%, 50 vanadium iron yield averagely promote 2~3%.
The beneficial effects of adopting the technical scheme are that the 1, present invention smelts 50 vanadium iron skills by electro-aluminothermic process
Art has carried out resource recycling to 50 vanadium iron silicon warm sludges, vanadium aluminium waste, has avoided valuable metal from being lost, the gold in solid waste containing vanadium
Belonging to vanadium recovery is that 90.0~95.0%, 50 vanadium iron yield averagely promote 2~3%.2, the present invention is by thermit reaction, by 50 vanadium iron
Barium oxide restores in silicon warm sludge, and vanadium enters vanadium iron melt, and after the fusing of vanadium aluminium waste, aluminium can be used as reducing agent, reduces
Aluminum shot additional amount in material, after reaction, molten metal settle to form vanadium iron, and by-product is electro-aluminothermic process clinker, can
For producing construction material.3, the present invention efficiently solves environmental issue caused by solid waste containing vanadium is accumulated, and meets circulation
The developing direction of expanding economy mode and manufacturing industry green production.
Detailed description of the invention
Fig. 1 is process flow chart of the invention.
Specific embodiment
The present invention is described in further detail in the following with reference to the drawings and specific embodiments.
Solid waste containing vanadium in following embodiments is selected from river steel Chengde Fan Tai new material Co., Ltd's electro silicothermic process and smelts 50 vanadium
Iron essence slag, vanadium aluminium waste are the alloy powder produced during vananum.
Embodiment 1
Method that the present embodiment resource comprehensive utilization of solid waste containing vanadium utilizes the following steps are included:
(1) take 50 vanadium iron silicon warm sludge 0.048t, vanadium aluminium waste 0.032t, vanadic anhydride 1.6t, aluminum shot 0.8t, abrasive grit 0.64t,
Lime 0.08t, cold burden 0.16t are mixed, and obtain mixing material；
50 vanadium iron silicon warm sludge V contents are as follows: 10.46%, granularity≤30mm；
Vanadium aluminium waste main component: V:56.85%, Al:43.25%, granularity < 1mm；
Vanadic anhydride ingredient are as follows: V2O5: 98.05%, P:0.044%, S:0.028%, K2O+Na2O:0.81%, lumpiness≤25mm ×
25mm；
Aluminum shot ingredient are as follows: Al:99.08%, granularity: 1.2~5.7mm；
Abrasive grit: Fe:99.02%, granularity: 1.8~7.0mm；
Lime: CaO:86.98%, P:0.05%, activity >=300ml, granularity: 12~19mm；
Cold burden: V:51.05%, Si:1.2%, P:0.08%, Al:1.0%, granularity < 10mm；
(2) material will be mixed and puts into electric furnace, 50 vanadium iron are smelted using electro-aluminothermic process, so that material is reacted by electrode ignition,
Electrode ignition voltage be 160V, electric current 7894A, 1640 DEG C of smelting temperature, electrode energization period 10.55min；
(3) smelting terminates using natural cooling for 24 hours, to tear furnace open after cooling and skim, and separates slag gold, and slag blanket can sell to building materials enterprise outside
Industry obtains 50 vanadium iron qualified products and 50 ferrovanadium dusts after vanadium iron ingot crushing and screening, and 50 ferrovanadium dusts are recycled；
Obtain 50 vanadium iron qualified products after crushing and screening: V:50.02%, C:0.35%, Si:1.14%, P:0.035%, S:0.012%,
Al:0.95%, granularity: 15~50mm；50 ferrovanadium dusts: V:50.02%, C:0.35%, Si:1.14%, P:0.035%, S:
0.012%, Al:0.95%, granularity < 10mm.
The metal vanadium recovery of 50 vanadium iron silicon warm sludge of the present embodiment solid waste containing vanadium and vanadium aluminium waste is 91.88%, and 50 vanadium iron produce
Amount averagely promotes 2.74%.
Embodiment 2
Method that the present embodiment resource comprehensive utilization of solid waste containing vanadium utilizes the following steps are included:
(1) 50 vanadium iron silicon warm sludge 0.064t, vanadium aluminium waste 0.048t, vanadic anhydride 1.6t, aluminum shot 0.848t, abrasive grit are taken
0.688t, lime 0.16t, cold burden 0.24t are mixed, and obtain mixing material；
50 vanadium iron silicon warm sludge V contents are as follows: 12.61%, granularity≤30mm；
Vanadium aluminium waste main component: V:57.21%, Al:42.64%, granularity < 1mm；
Vanadic anhydride ingredient are as follows: V2O5: 98.12%, P:0.036%, S:0.023%, K2O+Na2O:0.77%, lumpiness≤25mm ×
25mm；
Aluminum shot ingredient are as follows: Al:99.11%, granularity: 1.0~6.0mm；
Abrasive grit: Fe:99.05%, granularity: 1.0~8.0mm；
Lime: CaO:88.32%, P:0.04%, activity >=300ml, granularity: 10~20mm；
Cold burden: V:51.63%, Si:1.14%, P:0.057%, Al:1.23%, granularity < 10mm；
(2) material will be mixed and puts into electric furnace, 50 vanadium iron are smelted using electro-aluminothermic process, so that material is reacted by electrode ignition,
Electrode ignition voltage be 160V, electric current 7894A, 1720 DEG C of smelting temperature, electrode energization period 13.20min；
(3) smelting terminates to use natural cooling 28.5h, tears furnace open after cooling and skims, and separates slag gold, and slag blanket can sell to building materials enterprise outside
Industry obtains 50 vanadium iron qualified products and 50 ferrovanadium dusts after vanadium iron ingot crushing and screening, and 50 ferrovanadium dusts are recycled；
Obtain 50 vanadium iron qualified products after crushing and screening: V:51.08%, C:0.26%, Si:1.17%, P:0.041%, S:0.020%,
Al:0.94%, granularity: 10~50mm；50 ferrovanadium dusts: V:51.08%, C:0.26%, Si:1.17%, P:0.041%, S:
0.020%, Al:0.94%, granularity < 10mm.
The metal vanadium recovery of 50 vanadium iron silicon warm sludge of the present embodiment solid waste containing vanadium and vanadium aluminium waste is 92.84%, and 50 vanadium iron produce
Amount averagely promotes 2.56%.
Embodiment 3
Method that the present embodiment resource comprehensive utilization of solid waste containing vanadium utilizes the following steps are included:
(1) 50 vanadium iron silicon warm sludge 0.072t, vanadium aluminium waste 0.056t, vanadic anhydride 1.6t, aluminum shot 0.912t, abrasive grit are taken
0.736t, lime 0.192t, cold burden 0.32t are mixed, and obtain mixing material；
50 vanadium iron silicon warm sludge V contents are as follows: 11.98%, granularity≤30mm；
Vanadium aluminium waste main component: V:58.05%, Al:41.83%, granularity < 1mm；
Vanadic anhydride ingredient are as follows: V2O5: 98.09%, P:0.034%, S:0.021%, K2O+Na2O:0.81%, lumpiness≤25mm ×
25mm；
Aluminum shot ingredient are as follows: Al:99.09%, granularity: 1.0~6.0mm；
Abrasive grit: Fe:99.11%, granularity: 1.0~8.0mm；
Lime: CaO:88.76%, P:0.04%, activity >=300ml, granularity: 10~20mm；
Cold burden: V:50.78%, Si:1.09%, P:0.061%, Al:1.17%, granularity < 10mm；
(2) material will be mixed and puts into electric furnace, 50 vanadium iron are smelted using electro-aluminothermic process, so that material is reacted by electrode ignition,
Electrode ignition voltage be 160V, electric current 7894A, 1670 DEG C of smelting temperature, electrode energization period 12.08min；
(3) smelting terminates to use natural cooling 30h, tears furnace open after cooling and skims, and separates slag gold, and slag blanket can sell to building materials enterprise outside
Industry obtains 50 vanadium iron qualified products and 50 ferrovanadium dusts after vanadium iron ingot crushing and screening, and 50 ferrovanadium dusts are recycled；
Obtain 50 vanadium iron qualified products after crushing and screening: V:50.85%, C:0.24%, Si:1.12%, P:0.048%, S:0.027%,
Al:0.98%, granularity: 10~50mm；50 ferrovanadium dusts: V:50.85%, C:0.24%, Si:1.12%, P:0.048%, S:
0.027%, Al:0.98%, granularity < 10mm.
The metal vanadium recovery of 50 vanadium iron silicon warm sludge of the present embodiment solid waste containing vanadium and vanadium aluminium waste is 93.04%, and 50 vanadium iron produce
Amount averagely promotes 2.15%.
Embodiment 4
Method that the present embodiment resource comprehensive utilization of solid waste containing vanadium utilizes the following steps are included:
(1) 50 vanadium iron silicon warm sludge 0.08t, vanadium aluminium waste 0.08t, vanadic anhydride 1.6t, aluminum shot 0.96t, abrasive grit 0.8t, white are taken
Grey 0.24t, cold burden 0.32t are mixed, and obtain mixing material；
50 vanadium iron silicon warm sludge V contents are as follows: 13.26%, granularity≤30mm；
Vanadium aluminium waste main component: V:55.38%, Al:44.56%, granularity < 1mm；
Vanadic anhydride ingredient are as follows: V2O5: 98.27%, P:0.046%, S:0.025%, K2O+Na2O:0.94%, lumpiness≤25mm ×
25mm；
Aluminum shot ingredient are as follows: Al:99.23%, granularity: 2.0~4.0mm；
Abrasive grit: Fe:99.31%, granularity: 3.0~8.0mm；
Lime: CaO:87.32%, P:0.042%, activity >=300ml, granularity: 10~18mm；
Cold burden: V:48.92%, Si:1.63%, P:0.052%, Al:1.45%, granularity < 10mm；
(2) material will be mixed and puts into electric furnace, 50 vanadium iron are smelted using electro-aluminothermic process, so that material is reacted by electrode ignition,
Electrode ignition voltage be 165V, electric current 7890A, 1625 DEG C of smelting temperature, electrode energization period 8.24min；
(3) smelting terminates to use natural cooling 26.2h, tears furnace open after cooling and skims, and separates slag gold, and slag blanket can sell to building materials enterprise outside
Industry obtains 50 vanadium iron qualified products and 50 ferrovanadium dusts after vanadium iron ingot crushing and screening, and 50 ferrovanadium dusts are recycled；
Obtain 50 vanadium iron qualified products after crushing and screening: V:48.73%, C:0.31%, Si:1.43%, P:0.052%, S:0.033%,
Al:1.21%, granularity: 10~45mm；50 ferrovanadium dusts: V:48.73%, C:0.31%, Si:1.43%, P:0.052%, S:
0.033%, Al:1.21%, granularity < 10mm.
The metal vanadium recovery of 50 vanadium iron silicon warm sludge of the present embodiment solid waste containing vanadium and vanadium aluminium waste is 90.56%, and 50 vanadium iron produce
Amount averagely promotes 2.4%.
Embodiment 5
Method that the present embodiment resource comprehensive utilization of solid waste containing vanadium utilizes the following steps are included:
(1) take 50 vanadium iron silicon warm sludge 0.054t, vanadium aluminium waste 0.036t, vanadic anhydride 1.8t, aluminum shot 0.9t, abrasive grit 0.72t,
Lime 0.09t, cold burden 0.18t are mixed, and obtain mixing material；
50 vanadium iron silicon warm sludge V contents are as follows: 9.78%, granularity≤30mm；
Vanadium aluminium waste main component: V:58.34%, Al:40.62%, granularity < 1mm；
Vanadic anhydride ingredient are as follows: V2O5: 98.53%, P:0.047%, S:0.026%, K2O+Na2O:1.27%, lumpiness≤25mm ×
25mm；
Aluminum shot ingredient are as follows: Al:99.37%, granularity: 1.0~5.0mm；
Abrasive grit: Fe:99.22%, granularity: 2.0~8.0mm；
Lime: CaO:86.43%, P:0.046%, activity >=300ml, granularity: 11~19mm；
Cold burden: V:53.12%, Si:2.01%, P:0.074%, Al:1.83%, granularity < 10mm；
(2) material will be mixed and puts into electric furnace, 50 vanadium iron are smelted using electro-aluminothermic process, so that material is reacted by electrode ignition,
Electrode ignition voltage be 165V, electric current 7890A, 1755 DEG C of smelting temperature, electrode energization period 6.28min；
(3) smelting terminates to use natural cooling 23.1h, tears furnace open after cooling and skims, and separates slag gold, and slag blanket can sell to building materials enterprise outside
Industry obtains 50 vanadium iron qualified products and 50 ferrovanadium dusts after vanadium iron ingot crushing and screening, and 50 ferrovanadium dusts are recycled；
Obtain 50 vanadium iron qualified products after crushing and screening: V:53.07%, C:0.29%, Si:1.76%, P:0.057%, S:0.035%,
Al:1.45%, granularity: 20~48mm；50 ferrovanadium dusts: V:53.07%, C:0.29%, Si:1.76%, P:0.057%, S:
0.035%, Al:1.45%, granularity < 10mm.
The metal vanadium recovery of 50 vanadium iron silicon warm sludge of the present embodiment solid waste containing vanadium and vanadium aluminium waste is 94.27%, and 50 vanadium iron produce
Amount averagely promotes 2.7%.
Embodiment 6
Method that the present embodiment resource comprehensive utilization of solid waste containing vanadium utilizes the following steps are included:
(1) 50 vanadium iron silicon warm sludge 0.072t, vanadium aluminium waste 0.054t, vanadic anhydride 1.8t, aluminum shot 0.954t, abrasive grit are taken
0.774t, lime 0.18t, cold burden 0.27t are mixed, and obtain mixing material；
50 vanadium iron silicon warm sludge V contents are as follows: 14.35%, granularity≤30mm；
Vanadium aluminium waste main component: V:59.43%, Al:41.38%, granularity < 1mm；
Vanadic anhydride ingredient are as follows: V2O5: 98.35%, P:0.030%, S:0.020%, K2O+Na2O:1.39%, lumpiness≤25mm ×
25mm；
Aluminum shot ingredient are as follows: Al:99.62%, granularity: 2.0~5.0mm；
Abrasive grit: Fe:99.54%, granularity: 3.0~7.0mm；
Lime: CaO:88.02%, P:0.053%, activity >=300ml, granularity: 12~18mm；
Cold burden: V:54.21%, Si:2.53%, P:0.092%, Al:2.28%, granularity < 10mm；
(2) material will be mixed and puts into electric furnace, 50 vanadium iron are smelted using electro-aluminothermic process, so that material is reacted by electrode ignition,
Electrode ignition voltage be 170V, electric current 7900A, 1788 DEG C of smelting temperature, electrode energization period 9.25min；
(3) smelting terminates to use natural cooling 22.5h, tears furnace open after cooling and skims, and separates slag gold, and slag blanket can sell to building materials enterprise outside
Industry obtains 50 vanadium iron qualified products and 50 ferrovanadium dusts after vanadium iron ingot crushing and screening, and 50 ferrovanadium dusts are recycled；
Obtain 50 vanadium iron qualified products after crushing and screening: V:49.34%, C:0.37%, Si:1.32%, P:0.038%, S:0.022%,
Al:1.08%, granularity: 13~42mm；50 ferrovanadium dusts: V:49.34%, C:0.37%, Si:1.32%, P:0.038%, S:
0.022%, Al:1.08%, granularity < 10mm.
The metal vanadium recovery of 50 vanadium iron silicon warm sludge of the present embodiment solid waste containing vanadium and vanadium aluminium waste is 92.04%, and 50 vanadium iron produce
Amount averagely promotes 2.3%.
Embodiment 7
Method that the present embodiment resource comprehensive utilization of solid waste containing vanadium utilizes the following steps are included:
(1) 50 vanadium iron silicon warm sludge 0.081t, vanadium aluminium waste 0.063t, vanadic anhydride 1.8t, aluminum shot 1.026t, abrasive grit are taken
0.828t, lime 0.216t, cold burden 0.36t are mixed, and obtain mixing material；
50 vanadium iron silicon warm sludge V contents are as follows: 9.0%, granularity≤30mm；
Vanadium aluminium waste main component: V:59.99%, Al:40%, granularity < 1mm；
Vanadic anhydride ingredient are as follows: V2O5: 98.0%, P:0.042%, S:0.030%, K2O+Na2O:1.12%, lumpiness≤25mm ×
25mm；
Aluminum shot ingredient are as follows: Al:99.62%, granularity: 3.0~6.0mm；
Abrasive grit: Fe:99.51%, granularity: 1.0~5.0mm；
Lime: CaO:86%, P:0.057%, activity >=300ml, granularity: 14~20mm；
Cold burden: V:48%, Si:2.27%, P:0.10%, Al:2.05%, granularity < 10mm；
(2) material will be mixed and puts into electric furnace, 50 vanadium iron are smelted using electro-aluminothermic process, so that material is reacted by electrode ignition,
Electrode ignition voltage be 170V, electric current 7000A, 1600 DEG C of smelting temperature, electrode energization period 15min；
(3) smelting terminates to use natural cooling 20h, tears furnace open after cooling and skims, and separates slag gold, and slag blanket can sell to building materials enterprise outside
Industry obtains 50 vanadium iron qualified products and 50 ferrovanadium dusts after vanadium iron ingot crushing and screening, and 50 ferrovanadium dusts are recycled；
50 vanadium iron qualified products: V:48%, C:0.29%, Si:2.0%, P:0.046%, S:0.04%, Al are obtained after crushing and screening:
1.13%, granularity: 25~50mm；50 ferrovanadium dusts: V:48%, C:0.29%, Si:2.0%, P:0.046%, S:0.04%, Al:
1.13%, granularity < 10mm.
The metal vanadium recovery of 50 vanadium iron silicon warm sludge of the present embodiment solid waste containing vanadium and vanadium aluminium waste is 90.0%, and 50 vanadium iron produce
Amount averagely promotes 3%.
Embodiment 8
Method that the present embodiment resource comprehensive utilization of solid waste containing vanadium utilizes the following steps are included:
(1) 50 vanadium iron silicon warm sludge 0.09t, vanadium aluminium waste 0.09t, vanadic anhydride 1.8t, aluminum shot 1.08t, abrasive grit 0.9t, white are taken
Grey 0.27t, cold burden 0.54t are mixed, and obtain mixing material；
50 vanadium iron silicon warm sludge V contents are as follows: 15.0%, granularity≤30mm；
Vanadium aluminium waste main component: V:55%, Al:45%, granularity < 1mm；
Vanadic anhydride ingredient are as follows: V2O5: 98.42%, P:0.05%, S:0.022%, K2O+Na2O:1.5%, lumpiness≤25mm ×
25mm；
Aluminum shot ingredient are as follows: Al:99.0%, granularity: 1.0~3.0mm；
Abrasive grit: Fe:99.0%, granularity: 4.0~8.0mm；
Lime: CaO:87.35%, P:0.06%, activity >=300ml, granularity: 10~15mm；
Cold burden: V:55%, Si:3.0%, P:0.065%, Al:2.5%, granularity < 10mm；
(2) material will be mixed and puts into electric furnace, 50 vanadium iron are smelted using electro-aluminothermic process, so that material is reacted by electrode ignition,
Electrode ignition voltage be 180V, electric current 8000A, 1800 DEG C of smelting temperature, electrode energization period 5min；
(3) smelting terminates to use natural cooling 27h, tears furnace open after cooling and skims, and separates slag gold, and slag blanket can sell to building materials enterprise outside
Industry obtains 50 vanadium iron qualified products and 50 ferrovanadium dusts after vanadium iron ingot crushing and screening, and 50 ferrovanadium dusts are recycled；
50 vanadium iron qualified products: V:55%, C:0.40%, Si:1.55%, P:0.06%, S:0.018%, Al are obtained after crushing and screening:
1.5%, granularity: 10~30mm；50 ferrovanadium dusts: V:55%, C:0.40%, Si:1.55%, P:0.06%, S:0.018%, Al:
1.5%, granularity < 10mm.
The metal vanadium recovery of 50 vanadium iron silicon warm sludge of the present embodiment solid waste containing vanadium and vanadium aluminium waste is 95.0%, and 50 vanadium iron produce
Amount averagely promotes 2%.
The above embodiments are only used to illustrate and not limit the technical solutions of the present invention, although referring to above-described embodiment to this hair
It is bright to be described in detail, those skilled in the art should understand that: still the present invention can be modified or be waited
With replacement, without departing from the spirit or scope of the invention, or any substitutions, should all cover in power of the invention
In sharp claimed range.
Claims (6)
1. a kind of method that the resource comprehensive utilization of solid waste containing vanadium utilizes, which is characterized in that the described method comprises the following steps:
(1) by 50 vanadium iron silicon warm sludges and vanadium aluminium waste and vanadic anhydride, aluminum shot, abrasive grit, lime, cold burden according to 50 vanadium iron silicon heat
Slag: vanadic anhydride=0.03~0.05:1, vanadium aluminium waste: vanadic anhydride=0.02~0.05:1, aluminum shot: vanadic anhydride=
0.50~0.60:1, abrasive grit: vanadic anhydride=0.40~0.50:1, lime: vanadic anhydride=0.05~0.15:1, cold burden:
Vanadic anhydride=0.10~0.30:1 mass ratio mixes, and obtains mixing material；
(2) material will be mixed and puts into electric furnace, 50 vanadium iron are smelted using electro-aluminothermic process, so that material is reacted by electrode ignition,
Electrode ignition voltage be 160~180V, 7000~8000A of electric current, 1600~1800 DEG C of smelting temperature, electrode energization period 5~
15min；
(3) smelting terminates to use 20~30h of natural cooling, tears furnace open after cooling, separates slag gold, and slag blanket can sell to building materials enterprise outside
Industry obtains 50 vanadium iron qualified products and 50 ferrovanadium dusts after vanadium iron ingot crushing and screening, and 50 ferrovanadium dusts are recycled.
2. a kind of method that the resource comprehensive utilization of solid waste containing vanadium utilizes according to claim 1, which is characterized in that the step
Suddenly (1) 50 vanadium iron silicon warm sludge V content are as follows: 9.0~15.0%, granularity≤30mm；Vanadium aluminium waste main component: V:55.00~
59.99%, Al:40~45%, granularity < 1mm.
3. a kind of method that the resource comprehensive utilization of solid waste containing vanadium utilizes according to claim 1, which is characterized in that the step
Suddenly (1) vanadic anhydride ingredient are as follows: V2O5≥98%、P≤0.050%、S≤0.030%、 K2O+Na2O≤1.5%, lumpiness≤25mm
×25mm；Aluminum shot ingredient are as follows: Al >=99.0%, granularity: 1.0~6.0mm；Abrasive grit: Fe >=99.0%, granularity: 1.0~8.0mm；It is white
Ash: CaO >=86.0%, P≤0.06%, activity >=300ml, granularity: 10~20mm；Cold burden: V:48.0~55.0%, Si≤3.0%,
P≤0.10%, Al≤2.5%, granularity < 10mm.
4. a kind of method that the resource comprehensive utilization of solid waste containing vanadium utilizes according to claim 1 to 3, feature
It is, obtains 50 vanadium iron qualified products: V:48.0~55.0%, C≤0.40%, Si≤2.0%, P after step (3) crushing and screening
≤ 0.06%, S≤0.04%, Al≤1.5%, granularity: 10~50mm.
5. a kind of method that the resource comprehensive utilization of solid waste containing vanadium utilizes according to claim 1 to 3, feature
It is, obtains 50 ferrovanadium dusts after step (3) crushing and screening: V:48.0~55.0%, C≤0.40%, Si≤2.0%, P≤
0.06%, S≤0.04%, Al≤1.5%, granularity < 10mm.
6. a kind of method that the resource comprehensive utilization of solid waste containing vanadium utilizes according to claim 1 to 3, feature
It is, the metal vanadium recovery of 50 vanadium iron silicon warm sludge of the method solid waste containing vanadium and vanadium aluminium waste is 90.0~95.0%, 50 vanadium iron
Yield averagely promotes 2~3%.
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