CN105170468A - Recycling method for valuable metal elements in tungsten concentrate tailings - Google Patents
Recycling method for valuable metal elements in tungsten concentrate tailings Download PDFInfo
- Publication number
- CN105170468A CN105170468A CN201510633133.7A CN201510633133A CN105170468A CN 105170468 A CN105170468 A CN 105170468A CN 201510633133 A CN201510633133 A CN 201510633133A CN 105170468 A CN105170468 A CN 105170468A
- Authority
- CN
- China
- Prior art keywords
- valuable metal
- tungsten concentrate
- impurity
- tungstic acid
- silica
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 229910052721 tungsten Inorganic materials 0.000 title claims abstract description 48
- 239000010937 tungsten Substances 0.000 title claims abstract description 48
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 43
- 239000012141 concentrate Substances 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000004064 recycling Methods 0.000 title abstract 11
- 239000002184 metal Substances 0.000 claims abstract description 38
- 239000007769 metal material Substances 0.000 claims abstract description 13
- 239000002699 waste material Substances 0.000 claims abstract description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 50
- CMPGARWFYBADJI-UHFFFAOYSA-L tungstic acid Chemical compound O[W](O)(=O)=O CMPGARWFYBADJI-UHFFFAOYSA-L 0.000 claims description 37
- 239000012535 impurity Substances 0.000 claims description 28
- 239000000377 silicon dioxide Substances 0.000 claims description 25
- 239000004744 fabric Substances 0.000 claims description 21
- 150000001875 compounds Chemical class 0.000 claims description 17
- 238000011084 recovery Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 2
- ZXOKVTWPEIAYAB-UHFFFAOYSA-N dioxido(oxo)tungsten Chemical compound [O-][W]([O-])=O ZXOKVTWPEIAYAB-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 2
- XAYGUHUYDMLJJV-UHFFFAOYSA-Z decaazanium;dioxido(dioxo)tungsten;hydron;trioxotungsten Chemical compound [H+].[H+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O XAYGUHUYDMLJJV-UHFFFAOYSA-Z 0.000 description 2
- 239000002075 main ingredient Substances 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 229910001145 Ferrotungsten Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000000498 ball milling Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- -1 ferrotungsten Chemical class 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000007885 magnetic separation Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- QGLKJKCYBOYXKC-UHFFFAOYSA-N nonaoxidotritungsten Chemical compound O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1 QGLKJKCYBOYXKC-UHFFFAOYSA-N 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- XMVONEAAOPAGAO-UHFFFAOYSA-N sodium tungstate Chemical compound [Na+].[Na+].[O-][W]([O-])(=O)=O XMVONEAAOPAGAO-UHFFFAOYSA-N 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 1
- 150000003658 tungsten compounds Chemical class 0.000 description 1
- 229910001930 tungsten oxide Inorganic materials 0.000 description 1
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- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention belongs to the technical field of valuable metal recycling, and relates to a recycling method for valuable metal elements in tungsten concentrate tailings. The recycling method achieves the technical purpose of recycling valuable metal elements in tungsten concentrate tailings at a low cost. In order to solve the technical problems, a recycling device for valuable metal elements in tungsten concentrate tailings is provided. The recycling device comprises a recycling tank, an air inlet pipe, a draught fan, a feed hopper, a movable screen, an electric push rod and a controller. A valuable metal tank, a mixing tank and a waste material tank are sequentially arranged at the bottom of the recycling tank from left to right. A valuable metal material outlet is formed in the bottom of the valuable metal tank. A mixed material outlet is formed in the bottom of the mixing tank. A waste material outlet is formed in the bottom of the waste material tank. The device special for recycling valuable metal elements in tungsten concentrate tailings is arranged. Because only the electric push rod and the draught fan are adopted in the recycling process, the structure is simple, the energy consumption is low, and cost is low.
Description
Technical field
The invention belongs to valuable metal recovery technical field, relate to a kind of recovery method of tungsten concentrate tailings valuable metal element.
Background technology
There is output in tungsten concentrate North China, northwest and southwest, and especially from Guangxi, through Hunan, Guangdong, Jiangxi, the Nanling mountain one to the east of Fujian is with, and tungsten ore is maximum.Wherein concentrated with South Jiangxi again, large small mines reaches hundreds of place, and Dajishan Mine, Xihuashan, hilly U.S. mountain, Pan Gu mountain etc. are all the tungsten mines of world-famous.
China selects smelting tungsten mineral material from different abroad, and the tungsten ore abroad developed for a long time, mainly scheelite, account for 60% of total productive capacity.Although and China's scheelite proved reserves 3,760,000 t, account for 71% of national tungsten ore gross reserves, but because some are large-scale, the ore material composition of ultra-large type tungsten electrode burning complicated, disseminated grain size is thin, selecting and smelting technology not yet thoroughly solves, thus present stage exploitation is still based on Quartz-vein Type Wolframite, and account for that yield is adopted in the whole nation 90%.
Tungsten concentrate is the primary raw material producing the tungsten compounds such as ferrotungsten, sodium tungstate, ammonium paratungstate (APT), ammonium metatungstate (AMT), and its downstream product mainly contains tungstic acid, blue tungsten oxide, tungsten powder, tungsten carbide, carbide alloy, wolfram steel, tungsten rod, tungsten filament etc.
The ore-dressing technique of tungsten concentrate is generally through technical process such as fragmentation, ball milling, gravity treatment (mainly containing shaking table, jigging), flotation, electric separation, magnetic separation by tungsten ore (wolframite or scheelite), produce the wolframite or white tungsten fine ore that are up to state standards, the Main Ingredients and Appearance tungstic acid content of tungsten concentrate can reach more than 65%.
The waste material of tungsten concentrate after ore dressing, is called tungsten concentrate tailings, and also containing a certain amount of tungstic acid in tailings, the Main Ingredients and Appearance of tungsten concentrate tailings is silica, tungstic acid and impurity.How reclaiming the tungstic acid in tailings at low cost, is the technical problem needing solution at present badly, to improve the utilization rate of resource, improves the economic benefit of enterprise, reduces the cost of enterprise.
Summary of the invention
(1) technical problem that will solve
The present invention is in order to overcome the shortcoming not having low cost to reclaim the tungstic acid in tungsten concentrate tailings at present, and the technical problem to be solved in the present invention is to provide a kind of recovery method of low cost tungsten concentrate tailings valuable metal element.
(2) technical scheme
In order to solve the problems of the technologies described above, the invention provides so a kind of tungsten concentrate tailings valuable metal element retracting device, include accumulator tank, blast pipe, blower fan, feed hopper, portable screen cloth, electric pushrod and controller, valuable metal groove is disposed with from left to right in the bottom of accumulator tank, mixing channel, reject chute, the outlet of valuable metal material is provided with in the bottom of valuable metal groove, compound outlet is provided with in the bottom of mixing channel, the bottom of reject chute is provided with waste outlet, the left side of accumulator tank is provided with blast pipe, blower fan is connected with in the left side of blast pipe, accumulator tank top be provided with feed hopper and electric pushrod, portable screen cloth is through feed hopper, portable screen cloth is connected with electric pushrod, blower fan is connected with controller respectively with electric pushrod.
A recovery method for tungsten concentrate tailings valuable metal element, comprises the following steps:
(1) use tungsten concentrate tailings valuable metal element retracting device, the amount of tungsten concentrate tailings by 1 ton/hour is added from feed hopper, portable screen cloth double swerve 120 beats/min, regulate the rotating speed of blower fan, make the wind speed in blast pipe be 7-9 meter per second;
(2) tungsten concentrate tailings falls from portable screen cloth, and through the wind of blast pipe blowout, tungstic acid falls in valuable metal groove, and silica comparatively falls in reject chute, falls into the compound of tungstic acid and silica in mixing channel; Impurity falls in valuable metal groove, mixing channel, reject chute;
Because tungstic acid is heavier, silica is lighter, so tungstic acid can fall in valuable metal groove, silica comparatively falls in reject chute, the compound of tungstic acid and silica is fallen in mixing channel, the impurity of various weight has, so have impurity to fall in valuable metal groove, mixing channel, reject chute;
(3) tungstic acid after reclaiming and impurity is taken out from the outlet of valuable metal material; In mixing channel, take out the compound of tungstic acid, silica and impurity, from waste outlet, take out silica and impurity;
(4) the compound of the tungstic acid taken out in mixing channel, silica and impurity, reuse tungsten concentrate tailings valuable metal element retracting device, the amount of the compound of tungstic acid, silica and impurity by 0.7 ton/hour is added from feed hopper, portable screen cloth double swerve 150 beats/min, regulate the rotating speed of blower fan, make the wind speed in blast pipe be 9-10 meter per second;
(5) tungstic acid after reclaiming and impurity is taken out from the outlet of valuable metal material.
Operation principle: portable screen cloth, can double swerve in feed hopper under the drive of electric pushrod.Controller controls electric pushrod and blower fan work, and can adjust the speed of electric pushrod and blower fan.
(3) beneficial effect
Be provided with the device being exclusively used in tungsten concentrate tailings valuable metal element and reclaiming, because removal process just have employed electric pushrod and blower fan, structure is simple, and less energy consumption, cost is low.And use this recovery method, effectively can reclaim valuable metal element in tungsten concentrate tailings, the rate of recovery is high, improves the economic benefit of enterprise.
Accompanying drawing explanation
Fig. 1 is front view structural representation of the present invention.
Being labeled as in accompanying drawing: 1-accumulator tank, 2-reject chute, 3-mixing channel, 4-valuable metal groove, 5-waste outlet, 6-compound exports, and 7-valuable metal material exports, 8-blast pipe, 9-blower fan, 10-feed hopper, the portable screen cloth of 11-, 12-electric pushrod, 13-controller.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further illustrated.
embodiment 1
A kind of tungsten concentrate tailings valuable metal element retracting device, as shown in Figure 1, include accumulator tank 1, blast pipe 8, blower fan 9, feed hopper 10, portable screen cloth 11, electric pushrod 12 and controller 13, valuable metal groove 4 is disposed with from left to right in the bottom of accumulator tank 1, mixing channel 3, reject chute 2, valuable metal material outlet 7 is provided with in the bottom of valuable metal groove 4, compound outlet 6 is provided with in the bottom of mixing channel 3, the bottom of reject chute 2 is provided with waste outlet 5, the left side of accumulator tank 1 is provided with blast pipe 8, blower fan 9 is connected with in the left side of blast pipe 8, accumulator tank 1 top be provided with feed hopper 10 and electric pushrod 12, portable screen cloth 11 is through feed hopper 10, portable screen cloth 11 is connected with electric pushrod 12, blower fan 9 is connected with controller 13 respectively with electric pushrod 12.
Operation principle: portable screen cloth 11, can double swerve in feed hopper 10 under the drive of electric pushrod 12.Controller 13 controls electric pushrod 12 and blower fan 9 works, and can adjust the speed of electric pushrod 12 and blower fan 9.
embodiment 2
A recovery method for tungsten concentrate tailings valuable metal element, comprises the following steps:
(1) use tungsten concentrate tailings valuable metal element retracting device, the amount of tungsten concentrate tailings by 1 ton/hour is added from feed hopper 10, portable screen cloth 11 double swerve 120 beats/min, regulate the rotating speed of blower fan 9, make the wind speed in blast pipe 8 be 7-9 meter per second;
(2) tungsten concentrate tailings falls from portable screen cloth 11, and through the wind that blast pipe 8 blows out, tungstic acid falls in valuable metal groove 4, and silica comparatively falls in reject chute 2, falls into the compound of tungstic acid and silica in mixing channel 3; Impurity falls in valuable metal groove 4, mixing channel 3, reject chute 2;
Because tungstic acid is heavier, silica is lighter, so tungstic acid can fall in valuable metal groove 4, silica comparatively falls in reject chute 2, the compound of tungstic acid and silica is fallen in mixing channel 3, the impurity of various weight has, so have impurity to fall in valuable metal groove 4, mixing channel 3, reject chute 2;
(3) tungstic acid after reclaiming and impurity is taken out from valuable metal material outlet 7; In mixing channel 3, take out the compound of tungstic acid, silica and impurity, from waste outlet 5, take out silica and impurity;
Same batch of tungsten concentrate tailings, every 2 hours, grab sample, take out the tungstic acid after reclaiming and impurity 20 parts from valuable metal material outlet 7, the weight average content recording tungstic acid is, 51.2%.
(4) the compound of the tungstic acid, silica and the impurity that take out in mixing channel 3, reuse tungsten concentrate tailings valuable metal element retracting device, the amount of the compound of tungstic acid, silica and impurity by 0.7 ton/hour is added from feed hopper 10, portable screen cloth 11 double swerve 150 beats/min, regulate the rotating speed of blower fan 9, make the wind speed in blast pipe 8 be 9-10 meter per second;
(5) take out the tungstic acid after reclaiming and impurity from valuable metal material outlet 7, same batch of tungsten concentrate tailings, every 2 hours, grab sample, take out the tungstic acid after reclaiming and impurity 20 parts from valuable metal material outlet 7, the weight average content recording tungstic acid is, 48.6%.。
The above embodiment only have expressed the preferred embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion, improvement and substitute, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (2)
1. a tungsten concentrate tailings valuable metal element retracting device, it is characterized in that, include accumulator tank (1), blast pipe (8), blower fan (9), feed hopper (10), portable screen cloth (11), electric pushrod (12) and controller (13), valuable metal groove (4) is disposed with from left to right in the bottom of accumulator tank (1), mixing channel (3), reject chute (2), valuable metal material outlet (7) is provided with in the bottom of valuable metal groove (4), compound outlet (6) is provided with in the bottom of mixing channel (3), the bottom of reject chute (2) is provided with waste outlet (5), the left side of accumulator tank (1) is provided with blast pipe (8), blower fan (9) is connected with in the left side of blast pipe (8), accumulator tank (1) top be provided with feed hopper (10) and electric pushrod (12), portable screen cloth (11) is through feed hopper (10), portable screen cloth (11) is connected with electric pushrod (12), blower fan (9) is connected with controller (13) respectively with electric pushrod (12).
2. a recovery method for tungsten concentrate tailings valuable metal element, is characterized in that, comprise the following steps:
Use tungsten concentrate tailings valuable metal element retracting device, the amount of tungsten concentrate tailings by 1 ton/hour is added from feed hopper (10), portable screen cloth (11) double swerve 120 beats/min, regulates the rotating speed of blower fan (9), makes the wind speed in blast pipe (8) be 7-9 meter per second;
Tungsten concentrate tailings falls from portable screen cloth (11), through the wind that blast pipe (8) blows out, tungstic acid falls in valuable metal groove (4), and silica comparatively falls in reject chute (2), falls into the compound of tungstic acid and silica in mixing channel (3); Impurity falls in (2) at valuable metal groove (4), mixing channel (3), reject chute;
The tungstic acid after reclaiming and impurity is taken out from valuable metal material outlet (7); In mixing channel (3), take out the compound of tungstic acid, silica and impurity, from waste outlet (5), take out silica and impurity;
The compound of the tungstic acid taken out in mixing channel (3), silica and impurity, reuse tungsten concentrate tailings valuable metal element retracting device, the amount of the compound of tungstic acid, silica and impurity by 0.7 ton/hour is added from feed hopper (10), portable screen cloth (11) double swerve 150 beats/min, regulate the rotating speed of blower fan (9), make the wind speed in blast pipe (8) be 9-10 meter per second;
The tungstic acid after reclaiming and impurity is taken out from valuable metal material outlet (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510633133.7A CN105170468B (en) | 2015-09-30 | 2015-09-30 | A kind of recovery method of tungsten concentrate tailings valuable metal element |
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| CN201510633133.7A CN105170468B (en) | 2015-09-30 | 2015-09-30 | A kind of recovery method of tungsten concentrate tailings valuable metal element |
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| CN105170468A true CN105170468A (en) | 2015-12-23 |
| CN105170468B CN105170468B (en) | 2016-12-14 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105689129A (en) * | 2016-04-28 | 2016-06-22 | 江苏凯达石英有限公司 | Quartz sand magnetic separation device |
| CN107552792A (en) * | 2017-10-26 | 2018-01-09 | 鑫精合激光科技发展（北京）有限公司 | A kind of recycling device for selective laser fusing recovery powder |
| CN107552370A (en) * | 2017-09-29 | 2018-01-09 | 江苏云端重工科技有限公司 | A kind of tailings refines filtering frock |
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| US3044619A (en) * | 1958-12-04 | 1962-07-17 | Knolle Wilhelm | Apparatus for sorting seed material |
| CN200960509Y (en) * | 2006-10-26 | 2007-10-17 | 王岩 | Pneumatic sieving machine |
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| CN201333446Y (en) * | 2008-12-19 | 2009-10-28 | 东莞市益达实业有限公司 | Copper chippings sorting processing device |
| CN202097121U (en) * | 2011-06-01 | 2012-01-04 | 徐春宏 | Winnowing box |
| CN203944566U (en) * | 2014-06-11 | 2014-11-19 | 四川皓博药业有限公司 | The vertical screening machine of a kind of multilayer |
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2015
- 2015-09-30 CN CN201510633133.7A patent/CN105170468B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3044619A (en) * | 1958-12-04 | 1962-07-17 | Knolle Wilhelm | Apparatus for sorting seed material |
| CN200960509Y (en) * | 2006-10-26 | 2007-10-17 | 王岩 | Pneumatic sieving machine |
| CN101530849A (en) * | 2008-03-10 | 2009-09-16 | 张士友 | Pneumatic screening machine |
| CN201333446Y (en) * | 2008-12-19 | 2009-10-28 | 东莞市益达实业有限公司 | Copper chippings sorting processing device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105689129A (en) * | 2016-04-28 | 2016-06-22 | 江苏凯达石英有限公司 | Quartz sand magnetic separation device |
| CN107552370A (en) * | 2017-09-29 | 2018-01-09 | 江苏云端重工科技有限公司 | A kind of tailings refines filtering frock |
| CN107552792A (en) * | 2017-10-26 | 2018-01-09 | 鑫精合激光科技发展（北京）有限公司 | A kind of recycling device for selective laser fusing recovery powder |
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| CN105170468B (en) | 2016-12-14 |
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Denomination of invention: A method for recovering valuable metal elements from tungsten concentrate tailings Granted publication date: 20161214 Pledgee: Jiangxi Chongyi Rural Commercial Bank Co.,Ltd. Pledgor: JIANGXI YAOSHENG TUNGSTEN Co.,Ltd. Registration number: Y2024980025114 |