CN102489385A - Combined technology of phosphorite scrubbing and direct floatation and reverse floatation - Google Patents
Combined technology of phosphorite scrubbing and direct floatation and reverse floatation Download PDFInfo
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- CN102489385A CN102489385A CN2011104109565A CN201110410956A CN102489385A CN 102489385 A CN102489385 A CN 102489385A CN 2011104109565 A CN2011104109565 A CN 2011104109565A CN 201110410956 A CN201110410956 A CN 201110410956A CN 102489385 A CN102489385 A CN 102489385A
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- floatation
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- flotation
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- 238000005516 engineering process Methods 0.000 title claims abstract description 18
- 239000002367 phosphate rock Substances 0.000 title abstract description 5
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 title abstract 4
- 238000005201 scrubbing Methods 0.000 title abstract 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 235000014113 dietary fatty acids Nutrition 0.000 claims abstract description 12
- 239000000194 fatty acid Substances 0.000 claims abstract description 12
- 229930195729 fatty acid Natural products 0.000 claims abstract description 12
- 150000004665 fatty acids Chemical class 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 12
- 239000000344 soap Substances 0.000 claims abstract description 12
- 239000003513 alkali Substances 0.000 claims abstract description 6
- 239000003112 inhibitor Substances 0.000 claims abstract description 6
- 238000005188 flotation Methods 0.000 claims description 27
- 238000012216 screening Methods 0.000 claims description 21
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 17
- 239000011574 phosphorus Substances 0.000 claims description 16
- 229910052698 phosphorus Inorganic materials 0.000 claims description 16
- 239000003795 chemical substances by application Substances 0.000 claims description 15
- 239000000047 product Substances 0.000 claims description 9
- 239000012141 concentrate Substances 0.000 claims description 8
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 8
- 239000011707 mineral Substances 0.000 claims description 8
- 238000009991 scouring Methods 0.000 claims description 6
- 239000002893 slag Substances 0.000 claims description 6
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 4
- 239000002390 adhesive tape Substances 0.000 claims description 3
- 230000018044 dehydration Effects 0.000 claims description 3
- 238000006297 dehydration reaction Methods 0.000 claims description 3
- 238000010790 dilution Methods 0.000 claims description 3
- 239000012895 dilution Substances 0.000 claims description 3
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical class C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000002244 precipitate Substances 0.000 claims description 3
- 238000010334 sieve classification Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 239000002562 thickening agent Substances 0.000 claims description 3
- 230000002000 scavenging effect Effects 0.000 abstract 2
- 239000004115 Sodium Silicate Substances 0.000 abstract 1
- 239000003814 drug Substances 0.000 abstract 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 abstract 1
- 239000003607 modifier Substances 0.000 abstract 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 abstract 1
- 229910052911 sodium silicate Inorganic materials 0.000 abstract 1
- 238000010408 sweeping Methods 0.000 description 4
- 238000011084 recovery Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
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Abstract
The invention relates to combined technology of phosphorite scrubbing and direct floatation and reverse floatation. After the scrubbing technology, raw ores enter the rough, fine and scavenging direct floatation and the reverse floatation technology, and the dosage of roughing medicament of the direct floatation is: 3.8-4.2kg/t of inhibitor sodium silicate, 2.05-3kg/t of collector fatty acid soap and 5-6kg/t of modifier industrial alkali. 0.5-0.7kg/t of collector fatty acid soap is added in the scavenging process, the floatation temperature ranges from 15 DEG C to 25 DEG C, and accordingly fine phosphorite is obtained. The combined technology combines the phosphorite scrubbing technology and the direct floatation and reverse floatation technology, thereby not only reducing discharge volume of scrubbed gangue but also improving return water utilization ratio. Simultaneously, middle-level and lower-level phosphorous resources are utilized maximumly, and compared with single floatation technology, the combined technology can remarkably reduce beneficiation cost and improve utilization ratio of resources.
Description
Technical field
The present invention relates to the flotation of phosphate rock technical field, specifically phosphorus ore is cleaned and positive and negative joint flotation technology.
Background technology
Traditional phosphorus ore scouring adds trade union and produces a large amount of mine tailings, and these mine tailings not only quantity are big, also contain the useful component of certain content; Like random discharging, not only can cause the loss of resource, main is to increase the area that covers the good farmland; Silt the river course up, cause serious environmental to pollute.
Summary of the invention
The purpose of this invention is to provide a kind of phosphorus ore and clean and positive and negative joint flotation technology, can not only reduce the discharge capacity of cleaning the back mine tailing, effectively utilize resource.
Phosphorus ore scouring of the present invention and positive and negative joint flotation technology are following:
1, raw ore gets into first order screening by hopper, get into greater than the raw ore of 70 ㎜ and get into log washer after the first order is crushed to 65 ㎜, less than the raw ore of 70 ㎜ as the direct log washer of screenings;
2, clean in log washer in the ore deposit, realizes desliming for the first time, and the ore deposit after the scouring gets into second level screening;
3, the discharging of a, log washer gets into second level screening, desliming, the finished product ore deposit that produces 5 ㎜-14 ㎜, 15 ㎜-50 ㎜;
After b, of the lump ore entering second-time breakage of screening back, return second level sieve classification again greater than 50 ㎜;
C, log washer afterbody overflow ore pulp and screening back, second level underflow ore pulp (less than 5 ㎜) get into third level screening, obtain the finished product ore deposit of 0.8 ㎜-5 ㎜, get into the hydrocyclone of 125 ㎜ less than the ore pulp of 0.8 ㎜;
4, get into the dehydration of adhesive tape type filter after utilizing 125 ㎜ cyclones to reclaim the above ore deposit of 0.074 ㎜, obtain water content and be 20% finished product ore deposit; The tail water that band filter produces returns cyclone place dilution ore pulp;
5, cyclone overflow tail water (grain diameter less than 0.074 ㎜, phosphorus content 20%) gets into flotation flowsheet;
6, be that 0.074 ㎜ accounts for 83.44% in the mine tailing fineness, pulp density is 23
～Under 24% the situation; Adopt the direct flotation one thick one single-minded mineral processing circuit of sweeping, direct flotation is roughly selected dosing and is: inhibitor (bubble flower alkali) 3.8～4.2 kg/t, collecting agent (fatty acid soaps) 2.05～3kg/t; Adjustment agent (industrial soda) 5～6kg/t; In scanning flow process, add collecting agent (fatty acid soaps) 0.5～0.7kg/t, flotation temperature is 15～25 ℃, obtains the phosphorus concentrate;
7,
tailing water gets into deep wimble thickener; In concentrator, stir, precipitate, concentrate; When underflow density reaches 30%-50%; Get in the plate and frame type filter-press with the slag stock pump; Carry out press dewatering by plate and frame filter press, process a sheet blob of slag, make the mine tailing water content reach 20%; Do heap then, the clear water that overflow clear water that concentrator is suitable for reading and plate and frame filter press are deviate from returns clear water reserviors and utilizes.
The present invention cleans technology and positive reverse floatation process with phosphorus ore and unites and carry out, and can not only reduce the discharge capacity of cleaning the back mine tailing, improves the recycling water utilization rate.Simultaneously, the low-grade phosphor resource of centering is realized maximized utilization, compares with independent floatation process, can reduce beneficiation cost significantly, improves the utilization rate of resource.
Description of drawings
Fig. 1 is that phosphorus ore of the present invention is cleaned and positive and negative joint flotation technology flow chart.
Fig. 2 is positive and negative flotation process figure of the present invention.
The specific embodiment
Embodiment 1:
Phosphorus ore scouring and positive and negative joint flotation technology are following: (as shown in Figure 1)
1, raw ore gets into first order screening by hopper, get into greater than the raw ore of 70 ㎜ and get into log washer after the first order is crushed to 65 ㎜, less than the raw ore of 70 ㎜ as the direct log washer of screenings;
2, clean in log washer in the ore deposit, realizes desliming for the first time, and the ore deposit after the scouring gets into second level screening;
3, the discharging of a, log washer gets into second level screening, desliming, the finished product ore deposit that produces 5 ㎜-14 ㎜, 15 ㎜-50 ㎜;
After b, of the lump ore entering second-time breakage of screening back, return second level sieve classification again greater than 50 ㎜;
C, log washer afterbody overflow ore pulp and screening back, second level underflow ore pulp (less than 5 ㎜) get into third level screening, obtain the finished product ore deposit of 0.8 ㎜-5 ㎜, get into the hydrocyclone of 125 ㎜ less than the ore pulp of 0.8 ㎜;
4, get into the dehydration of adhesive tape type filter after utilizing 125 ㎜ cyclones to reclaim the above ore deposit of 0.074 ㎜, obtain water content and be 20% finished product ore deposit; The tail water that band filter produces returns cyclone place dilution ore pulp;
5, cyclone overflow tail water (grain diameter less than 0.074 ㎜, phosphorus content 20%) gets into flotation flowsheet;
6, be that 0.074 ㎜ accounts for 83.44% in the mine tailing fineness, pulp density is 23
～Under 24% the situation, adopt the mineral processing circuit of direct flotation (one thick one single-minded sweeping), direct flotation is roughly selected dosing and is: inhibitor bubble flower alkali 4.0kg/t; Collecting agent fatty acid soaps 2.85kg/t, adjustment agent industrial soda 6kg/t adds collecting agent fatty acid soaps 0.5kg/t in scanning flow process; Flotation temperature is 15 ℃; Obtain the grade 31.22% of phosphorus concentrate, the rate of recovery 78.73%, the mineral processing index of productive rate 65.23%.
7,
tailing water gets into deep wimble thickener; In concentrator, stir, precipitate, concentrate; When underflow density reaches 30%-50%; Get in the plate and frame type filter-press with the slag stock pump, carry out press dewatering, process a sheet blob of slag by plate and frame filter press; Make the mine tailing water content reach 20%, do heap then.The clear water that overflow clear water that concentrator is suitable for reading and plate and frame filter press are deviate from returns clear water reserviors and utilizes.
Embodiment 2:
1-5,7 steps are identical with embodiment 1.
6, be that 0.074 ㎜ accounts for 83.44% in the mine tailing fineness, pulp density is 23
～Under 24% the situation, adopt the mineral processing circuit of direct flotation (one thick one single-minded sweeping), direct flotation is roughly selected dosing and is: inhibitor bubble flower alkali 4.0kg/t; Collecting agent fatty acid soaps 2.05kg/t, adjustment agent industrial soda 6.0kg/t adds collecting agent fatty acid soaps 0.5kg/t in scanning flow process; Flotation temperature is 20 ℃; Obtain the grade 30.83% of phosphorus concentrate, the rate of recovery 84.43%, the mineral processing index of productive rate 69.10%.
Embodiment 3:
1-5,7 steps are identical with embodiment 1.
6, be that 0.074 ㎜ accounts for 83.44% in the mine tailing fineness, pulp density is 23
～Under 24% the situation, adopt the direct flotation one thick one single-minded mineral processing circuit of sweeping, direct flotation is roughly selected dosing and is: inhibitor bubble flower alkali 4.0 kg/t; Collecting agent fatty acid soaps 3.0kg/t, adjustment agent (industrial soda) 6.0kg/t adds collecting agent fatty acid soaps 0.5kg/t in scanning flow process; At flotation temperature is under 25 ℃ of conditions; Obtain the grade 30.58% of phosphorus concentrate, the rate of recovery 90.71%, the mineral processing index of productive rate 75.65%.
Claims (1)
1. a phosphorus ore is cleaned and positive and negative joint flotation technology, may further comprise the steps:
1) raw ore gets into first order screening by hopper, get into greater than the raw ore of 70 ㎜ and get into log washer after the first order is crushed to 65 ㎜, less than the raw ore of 70 ㎜ as the direct log washer of screenings;
2) clean in log washer in the ore deposit, realizes desliming for the first time, and the ore deposit after the scouring gets into second level screening;
3) discharging of a, log washer gets into second level screening, desliming, the finished product ore deposit that produces 5 ㎜-14 ㎜, 15 ㎜-50 ㎜;
After the lump ore entering second-time breakage of b screening back greater than 50 ㎜, return second level sieve classification again;
C, log washer afterbody overflow ore pulp and screening back, second level underflow ore pulp get into third level screening, obtain the finished product ore deposit of 0.8 ㎜-5 ㎜, get into the hydrocyclone of 125 ㎜ less than the ore pulp of 0.8 ㎜;
4) get into the dehydration of adhesive tape type filter after utilizing 125 ㎜ cyclones to reclaim the above ore deposit of 0.074 ㎜, obtain water content and be 20% finished product ore deposit; The tail water that band filter produces returns cyclone place dilution ore pulp;
5) cyclone overflow tail water gets into flotation flowsheet;
It is characterized in that further comprising the steps of:
6) be that 0.074 ㎜ accounts for 83.44% in the mine tailing fineness, pulp density is 23
～Under 24% the situation; Adopt thick, smart, the mineral processing circuit swept of direct flotation, direct flotation is roughly selected dosing and is: inhibitor bubble flower alkali 3.8～4.2 kg/t, collecting agent fatty acid soaps 2.05～3kg/t; Adjustment agent industrial soda 5～6kg/t; In scanning flow process, add collecting agent fatty acid soaps 0.5～0.7kg/t, flotation temperature is 15～25 ℃, obtains the phosphorus concentrate;
7
) tailing water entering deep wimble thickener; In concentrator, stir, precipitate, concentrate; When underflow density reaches 30%～50%; Get in the plate and frame type filter-press with the slag stock pump; Carry out press dewatering by plate and frame filter press, process a sheet blob of slag, make the mine tailing water content reach 20%; Do heap then, the clear water that overflow clear water that concentrator is suitable for reading and plate and frame filter press are deviate from returns clear water reserviors and utilizes.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110410956 CN102489385B (en) | 2011-12-12 | 2011-12-12 | Combined technology of phosphorite scrubbing and direct floatation and reverse floatation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110410956 CN102489385B (en) | 2011-12-12 | 2011-12-12 | Combined technology of phosphorite scrubbing and direct floatation and reverse floatation |
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| Publication Number | Publication Date |
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| CN102489385A true CN102489385A (en) | 2012-06-13 |
| CN102489385B CN102489385B (en) | 2013-03-13 |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102773151A (en) * | 2012-07-12 | 2012-11-14 | 云南磷化集团有限公司 | Weathered collophanite graded processing technique |
| CN103433123A (en) * | 2013-09-16 | 2013-12-11 | 江苏迈安德智能装备有限公司 | Process for ore pulp desliming and ore slurry dehydration |
| CN103962214A (en) * | 2014-06-03 | 2014-08-06 | 中冶沈勘秦皇岛工程技术有限公司 | Combined beneficiation method and combined beneficiation system for comprehensive recovery of associated iron-phosphate minerals |
| CN104475270A (en) * | 2014-12-29 | 2015-04-01 | 中蓝连海设计研究院 | Mineral processing method of mechanical de-magging treating collophanite with additional medium |
| CN105327786A (en) * | 2015-09-24 | 2016-02-17 | 云南三明鑫疆磷业股份有限公司 | Method for removing foam generated in collophanite normal-temperature positive-floatation |
| CN110038827A (en) * | 2019-05-27 | 2019-07-23 | 四川发展天瑞矿业有限公司 | Phosphorus ore color sorting system |
| CN111036388A (en) * | 2018-10-11 | 2020-04-21 | 中蓝连海设计研究院有限公司 | Washing and grading flotation method for weathered phosphate ore |
| CN111375484A (en) * | 2018-12-29 | 2020-07-07 | 中蓝连海设计研究院有限公司 | Phosphate ore washing, classifying, roasting and flotation method |
| CN111375485A (en) * | 2018-12-29 | 2020-07-07 | 中蓝连海设计研究院有限公司 | Phosphate ore washing and grading separation method |
| CN111375482A (en) * | 2018-12-29 | 2020-07-07 | 中蓝连海设计研究院有限公司 | Method for grading and sorting silico-calcic phosphate ore |
| CN113908972A (en) * | 2020-07-10 | 2022-01-11 | 中蓝连海设计研究院有限公司 | Method for recovering fine slime ore in phosphorite slime |
| CN114602645A (en) * | 2022-03-28 | 2022-06-10 | 云南磷化集团有限公司 | Collophanite pre-screening, scrubbing and desliming combined treatment method |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102773151A (en) * | 2012-07-12 | 2012-11-14 | 云南磷化集团有限公司 | Weathered collophanite graded processing technique |
| CN102773151B (en) * | 2012-07-12 | 2013-12-11 | 云南磷化集团有限公司 | Weathered collophanite graded processing technique |
| CN103433123A (en) * | 2013-09-16 | 2013-12-11 | 江苏迈安德智能装备有限公司 | Process for ore pulp desliming and ore slurry dehydration |
| CN103962214A (en) * | 2014-06-03 | 2014-08-06 | 中冶沈勘秦皇岛工程技术有限公司 | Combined beneficiation method and combined beneficiation system for comprehensive recovery of associated iron-phosphate minerals |
| CN103962214B (en) * | 2014-06-03 | 2015-08-19 | 中冶沈勘秦皇岛工程技术有限公司 | A kind of beneficiation combined method method and system of synthetical recovery association iron Phosphate minerals |
| CN104475270A (en) * | 2014-12-29 | 2015-04-01 | 中蓝连海设计研究院 | Mineral processing method of mechanical de-magging treating collophanite with additional medium |
| CN104475270B (en) * | 2014-12-29 | 2017-04-05 | 中蓝连海设计研究院 | A kind of additional medium machinery de-magging processes the beneficiation method of collophane |
| CN105327786A (en) * | 2015-09-24 | 2016-02-17 | 云南三明鑫疆磷业股份有限公司 | Method for removing foam generated in collophanite normal-temperature positive-floatation |
| CN111036388B (en) * | 2018-10-11 | 2022-03-22 | 中蓝连海设计研究院有限公司 | Washing and grading flotation method for weathered phosphate ore |
| CN111036388A (en) * | 2018-10-11 | 2020-04-21 | 中蓝连海设计研究院有限公司 | Washing and grading flotation method for weathered phosphate ore |
| CN111375482A (en) * | 2018-12-29 | 2020-07-07 | 中蓝连海设计研究院有限公司 | Method for grading and sorting silico-calcic phosphate ore |
| CN111375485A (en) * | 2018-12-29 | 2020-07-07 | 中蓝连海设计研究院有限公司 | Phosphate ore washing and grading separation method |
| CN111375484A (en) * | 2018-12-29 | 2020-07-07 | 中蓝连海设计研究院有限公司 | Phosphate ore washing, classifying, roasting and flotation method |
| CN111375484B (en) * | 2018-12-29 | 2021-12-07 | 中蓝连海设计研究院有限公司 | Phosphate ore washing, classifying, roasting and flotation method |
| CN110038827A (en) * | 2019-05-27 | 2019-07-23 | 四川发展天瑞矿业有限公司 | Phosphorus ore color sorting system |
| CN113908972A (en) * | 2020-07-10 | 2022-01-11 | 中蓝连海设计研究院有限公司 | Method for recovering fine slime ore in phosphorite slime |
| CN114602645A (en) * | 2022-03-28 | 2022-06-10 | 云南磷化集团有限公司 | Collophanite pre-screening, scrubbing and desliming combined treatment method |
| CN114602645B (en) * | 2022-03-28 | 2024-01-26 | 云南磷化集团有限公司 | Collophanite pre-screening scrubbing desliming combined treatment method |
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Owner name: YUNNAN SANMING XINJIANG PHOSPHORUS INDUSTRY CO., L Free format text: FORMER NAME: YUNNAN SANMING XINJIANG MINE INDUSTRY CO., LTD. |
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