CN109395874A - The beneficiation method of low-grade sulfur-bearing lead-zinc - Google Patents
The beneficiation method of low-grade sulfur-bearing lead-zinc Download PDFInfo
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- CN109395874A CN109395874A CN201811327655.4A CN201811327655A CN109395874A CN 109395874 A CN109395874 A CN 109395874A CN 201811327655 A CN201811327655 A CN 201811327655A CN 109395874 A CN109395874 A CN 109395874A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B9/00—General arrangement of separating plant, e.g. flow sheets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B1/00—Conditioning for facilitating separation by altering physical properties of the matter to be treated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B7/00—Combinations of wet processes or apparatus with other processes or apparatus, e.g. for dressing ores or garbage
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Abstract
The present invention relates to the beneficiation methods of low-grade sulfur-bearing lead-zinc to be prepared into ore pulp by sulfur-bearing lead-zinc after broken, ore grinding, which is characterized in that first carries out sulfide roughing.The present invention reprocesses oxide ore after first electing sulphide ore, it is possible to reduce oxide ore flotation dosing and flotation step reduce beneficiation cost, improve oxide ore flotation effect.
Description
Technical field
The present invention relates to the beneficiation methods of low-grade sulfur-bearing lead-zinc.
Background technique
China's rich ore is few, and lean ore is more, and low-grade sulfur-bearing lead-zinc directlys adopt oxide ore chemicals treatment oxide ore, oxygen
It is unobvious to change mine pharmacy effect, needs to increase the amount of application of oxide ore medicament, or even increase process flow.
There has been no the low-grade sulfur-bearing lead-zincs of flotation at present, reduce oxide ore dosing, reduce floatation process stream
The method of journey.
Summary of the invention
The present invention provides the beneficiation method of low-grade sulfur-bearing lead-zinc, and solving technical problem is 1) to reduce oxide ore medicine
Agent dosage reduces flotation process；Solve technical problem 2) it is to provide medicament used in specific flotation and its dose.
In order to solve the above-mentioned technical problem, the invention adopts the following technical scheme:
The beneficiation method of low-grade sulfur-bearing lead-zinc is prepared into ore pulp by sulfur-bearing lead-zinc after broken, ore grinding,
Ore dressing sequence is followed successively by, sulphide flotation, leaded object flotation, Zinc compounds flotation；
Grinding fineness is that the miberal powder of 200 mesh or more accounts for 80% of gross mass or more；The accounting of miberal powder is 35~45% in ore pulp.
Preferably, the sulphide flotation is divided into one roughing and primary cleaning；The middling recurrence generated after selected is supreme
One layer of operation.
Preferably, medicament used in sulfide roughing is sodium carbonate 1500g/t, waterglass 500g/t, ammonium sulfate 500g/t, corruption
Grow sour sodium 500g/t, diethyldithiocarbamate 60g/t, amyl group xanthate 20g/t, No. two oil 10g/t；Selected medicament used is sodium carbonate 1200g/
T, waterglass 300g/t, ammonium sulfate 300g/t, sodium humate 300g/t, diethyldithiocarbamate 40g/t, amyl group xanthate 10g/t, No. two oil
10g/t；Time used in roughing is 3~5min；The selected time used is 1~3min.
Preferably, the leaded object flotation is through lead roughing I and the roughing twice of lead roughing II, once purging selection and selected twice,
It wherein scans and is back in lead roughing I with selected generated chats.
Preferably, medicament used in the lead roughing I is vulcanized sodium 11kg/t, diethyldithiocarbamate 100g/t, amyl group xanthate 100g/t,
No. two oil 10g/t；Time used in lead roughing I is 3~5min；Medicament used in the lead roughing II is vulcanized sodium 5kg/t, diethyldithiocarbamate
100g/t, amyl group xanthate 100g/t；Time used in lead roughing I is 3~5min；It is described that scan medicament used be diethyldithiocarbamate 60g/t,
Amyl group xanthate 60g/t；Scanning the time is 2~3min；The medicament used selected twice is vulcanized sodium 2kg/t, diethyldithiocarbamate 50g/
T, amyl group xanthate 50g/t；The selected time is 1~3min.
Preferably, the Zinc compounds flotation is through one roughing, once purging selection and primary cleaning；Scan with it is selected generated
Chats returns
It is back to one layer of operation.
Preferably, medicament used in the roughing is calgon 500g/t, vulcanized sodium 12kg/t, 103 collecting agent 600g/
T, bk301:180g/t, amyl group xanthate 300g/t, No. two oil 30g；The roughing time is 3~5min；It is described to scan medicament used and be
Vulcanized sodium 200g/t, 103 collecting agent 120g/t, bk301:60g/t, amyl group xanthate 60g/t, No. two oil 20g/t；Scanning the time is
2~3min；The selected medicament used is vulcanized sodium 100g/t, 103 collecting agent 100g/t, bk301:50g/t, amyl group xanthate
50g/t, No. two oil 20g；The selected time is 1~3min.
Invention has following advantageous effects:
The present invention can reduce oxide ore dosing, reduce flotation process.
Detailed description of the invention
Fig. 1 is mineral processing circuit figure.
Specific embodiment
The present invention is further illustrated below with reference to specific example.
Embodiment 1
The beneficiation method of low-grade sulfur-bearing lead-zinc is prepared into ore pulp by sulfur-bearing lead-zinc after broken, ore grinding,
Ore dressing sequence is followed successively by, sulphide flotation, leaded object flotation, Zinc compounds flotation；
Grinding fineness is that the miberal powder of 200 mesh or more accounts for 80% of gross mass or more；The accounting of miberal powder is 38~42% in ore pulp.
The sulphide flotation is divided into one roughing and primary cleaning；The supreme one layer of work of the middling recurrence generated after selected
Industry.
Medicament used in sulfide roughing is sodium carbonate 1500g/t, waterglass 500g/t, ammonium sulfate 500g/t, sodium humate
500g/t, diethyldithiocarbamate 60g/t, amyl group xanthate 20g/t, No. two oil 10g/t；Selected medicament used is sodium carbonate 1200g/t, water glass
Glass 300g/t, ammonium sulfate 300g/t, sodium humate 300g/t, diethyldithiocarbamate 40g/t, amyl group xanthate 10g/t, No. two oil 10g/t；Slightly
Selecting the time used is 4min；The selected time used is 2min.
The leaded object flotation is through lead roughing I and the roughing twice of lead roughing II, once purging selection and selected twice, wherein scanning
It is back in lead roughing I with selected generated chats.
Medicament used in the lead roughing I is vulcanized sodium 11kg/t, diethyldithiocarbamate 100g/t, amyl group xanthate 100g/t, No. two oil
10g/t；Time used in lead roughing I is 3~5min；Medicament used in the lead roughing II is vulcanized sodium 5kg/t, diethyldithiocarbamate 100g/
T, amyl group xanthate 100g/t；Time used in lead roughing I is 5min；It is described that scan medicament used be diethyldithiocarbamate 60g/t, amyl group xanthate
60g/t；Scanning the time is 3min；The medicament used selected twice is vulcanized sodium 2kg/t, diethyldithiocarbamate 50g/t, amyl group xanthate
50g/t；The selected time is 2min.
The Zinc compounds flotation is through one roughing, once purging selection and primary cleaning；It scans and is returned with selected generated chats
It is back to one
Layer operation.
Medicament used in the roughing is calgon 500g/t, vulcanized sodium 12kg/t, 103 collecting agent 600g/t,
Bk301:180g/t, amyl group xanthate 300g/t, No. two oil 30g；The roughing time is 4min；It is described that scan medicament used be vulcanized sodium
200g/t, 103 collecting agent 120g/t, bk301:60g/t, amyl group xanthate 60g/t, No. two oil 20g/t；Scanning the time is 3min；
The selected medicament used is vulcanized sodium 100g/t, 103 collecting agent 100g/t, bk301:50g/t, amyl group xanthate 50g/t, No. two
Oily 20g；The selected time is 2min.
103 collecting agent and bk301 buying are in beneficiation reagent Co., Ltd, Yantai Huitong.
Embodiment 2
The beneficiation method of low-grade sulfur-bearing lead-zinc is prepared into ore pulp by sulfur-bearing lead-zinc after broken, ore grinding,
Ore dressing sequence is followed successively by, sulphide flotation, leaded object flotation, Zinc compounds flotation；
Grinding fineness is that the miberal powder of 200 mesh or more accounts for 80% of gross mass or more；The accounting of miberal powder is 36% in ore pulp.
The sulphide flotation is divided into one roughing and primary cleaning；The supreme one layer of work of the middling recurrence generated after selected
Industry.
Medicament used in sulfide roughing is sodium carbonate 1500g/t, waterglass 500g/t, ammonium sulfate 500g/t, sodium humate
500g/t, diethyldithiocarbamate 60g/t, amyl group xanthate 20g/t, No. two oil 10g/t；Selected medicament used is sodium carbonate 1200g/t, water glass
Glass 300g/t, ammonium sulfate 300g/t, sodium humate 300g/t, diethyldithiocarbamate 40g/t, amyl group xanthate 10g/t, No. two oil 10g/t；Slightly
Selecting the time used is 4min；The selected time used is 3min.
The leaded object flotation is through lead roughing I and the roughing twice of lead roughing II, once purging selection and selected twice, wherein scanning
It is back in lead roughing I with selected generated chats.
Medicament used in the lead roughing I is vulcanized sodium 11kg/t, diethyldithiocarbamate 100g/t, amyl group xanthate 100g/t, No. two oil
10g/t；Time used in lead roughing I is 3min；Medicament used in the lead roughing II is vulcanized sodium 5kg/t, diethyldithiocarbamate 100g/t, penta
Base xanthate 100g/t；Time used in lead roughing I is 3~5min；It is described that scan medicament used be diethyldithiocarbamate 60g/t, amyl group xanthate
60g/t；Scanning the time is 2min；The medicament used selected twice is vulcanized sodium 2kg/t, diethyldithiocarbamate 50g/t, amyl group xanthate
50g/t；The selected time is 2min.
The Zinc compounds flotation is through one roughing, once purging selection and primary cleaning；It scans and is returned with selected generated chats
It is back to one
Layer operation.
Medicament used in the roughing is calgon 500g/t, vulcanized sodium 12kg/t, 103 collecting agent 600g/t,
Bk301:180g/t, amyl group xanthate 300g/t, No. two oil 30g；The roughing time is 4min；It is described that scan medicament used be vulcanized sodium
200g/t, 103 collecting agent 120g/t, bk301:60g/t, amyl group xanthate 60g/t, No. two oil 20g/t；Scanning the time is 2min；
The selected medicament used is vulcanized sodium 100g/t, 103 collecting agent 100g/t, bk301:50g/t, amyl group xanthate 50g/t, No. two
Oily 20g；The selected time is 1min.
103 collecting agent and bk301 buying are in beneficiation reagent Co., Ltd, Yantai Huitong.
Embodiment 3
The beneficiation method of low-grade sulfur-bearing lead-zinc is prepared into ore pulp by sulfur-bearing lead-zinc after broken, ore grinding,
Ore dressing sequence is followed successively by, sulphide flotation, leaded object flotation, Zinc compounds flotation；
Grinding fineness is that the miberal powder of 200 mesh or more accounts for 80% of gross mass or more；The accounting of miberal powder is 42% in ore pulp.
The sulphide flotation is divided into one roughing and primary cleaning；The supreme one layer of work of the middling recurrence generated after selected
Industry.
Medicament used in sulfide roughing is sodium carbonate 1500g/t, waterglass 500g/t, ammonium sulfate 500g/t, sodium humate
500g/t, diethyldithiocarbamate 60g/t, amyl group xanthate 20g/t, No. two oil 10g/t；Selected medicament used is sodium carbonate 1200g/t, water glass
Glass 300g/t, ammonium sulfate 300g/t, sodium humate 300g/t, diethyldithiocarbamate 40g/t, amyl group xanthate 10g/t, No. two oil 10g/t；Slightly
Selecting the time used is 5min；The selected time used is 1min.
The leaded object flotation is through lead roughing I and the roughing twice of lead roughing II, once purging selection and selected twice, wherein scanning
It is back in lead roughing I with selected generated chats.
Medicament used in the lead roughing I is vulcanized sodium 11kg/t, diethyldithiocarbamate 100g/t, amyl group xanthate 100g/t, No. two oil
10g/t；Time used in lead roughing I is 5min；Medicament used in the lead roughing II is vulcanized sodium 5kg/t, diethyldithiocarbamate 100g/t, penta
Base xanthate 100g/t；Time used in lead roughing I is 3~5min；It is described that scan medicament used be diethyldithiocarbamate 60g/t, amyl group xanthate
60g/t；Scanning the time is 2min；The medicament used selected twice is vulcanized sodium 2kg/t, diethyldithiocarbamate 50g/t, amyl group xanthate
50g/t；The selected time is 2min.
The Zinc compounds flotation is through one roughing, once purging selection and primary cleaning；It scans and is returned with selected generated chats
It is back to one
Layer operation.
Medicament used in the roughing is calgon 500g/t, vulcanized sodium 12kg/t, 103 collecting agent 600g/t,
Bk301:180g/t, amyl group xanthate 300g/t, No. two oil 30g；The roughing time is 4min；It is described that scan medicament used be vulcanized sodium
200g/t, 103 collecting agent 120g/t, bk301:60g/t, amyl group xanthate 60g/t, No. two oil 20g/t；Scanning the time is 3min；
The selected medicament used is vulcanized sodium 100g/t, 103 collecting agent 100g/t, bk301:50g/t, amyl group xanthate 50g/t, No. two
Oily 20g；The selected time is 1min.
103 collecting agent and bk301 buying are in beneficiation reagent Co., Ltd, Yantai Huitong.
Embodiment 4
The beneficiation method of low-grade sulfur-bearing lead-zinc is prepared into ore pulp by sulfur-bearing lead-zinc after broken, ore grinding,
Ore dressing sequence is followed successively by, sulphide flotation, leaded object flotation, Zinc compounds flotation；
Grinding fineness is that the miberal powder of 200 mesh or more accounts for 80% of gross mass or more；The accounting of miberal powder is 35~45% in ore pulp.
Beneficial effects of the present invention are further illustrated below with reference to experimental data:
Experiment one
1, it tests
Material to be tested
1 materials and methods:
1.1 test sites: Shandong Guoda Gold Co., Ltd..
1.2 experiment detections: yield, grade and the rate of recovery.
1.3 materials to be tested: Yunnan Jian Shui lead-zinc.
Data are to be shown in Table 1
Table 1
| Element | Au* | Ag* | Cu | Pb | Zn | S |
| Content (%) | 0.00 | 51.60 | 0.00 | 7.05 | 12.91 | 0.99 |
| Element | TFe | As | Sb | Total C | Fixed C | |
| Content (%) | 12.40 | - | - | - | - |
Note: the constituent content unit of band " * " is " g/t ".
1.4 specific implementations: by two parts of production sharing of table 1, ore dressing sequence is removed successively according to embodiment 2 and comparison 1(respectively
For, leaded object flotation, Zinc compounds flotation, sulphide flotation, other preparation methods are consistent with embodiment 2) production method into
Row is implemented.
In addition to experimental method is different, other operations are consistent for this experiment.
2 results and analysis
Implemented according to the production method of embodiment 2, detection yield, grade and the rate of recovery are shown in Table 2.
Table 2
According to comparison 1(except ore dressing sequence is followed successively by, leaded object flotation, Zinc compounds flotation, sulphide flotation, other preparation methods
Production method unanimously with embodiment 2) is implemented, and detection yield, grade and the rate of recovery are shown in Table 3.
Table 3
By the data of table 2 and 3 compare it can be seen from select same floating agent, adjustment floatation process sequence, to lead concentrate and zinc
The recycling of concentrate has a significant impact, and first floatingly selects the embodiment 2 of iron concentrate, then carries out oxidation flotation, equally makes in medicament
In the case that dosage is the same, the rate of recovery of lead and zinc can be improved.
Claims (7)
1. the beneficiation method of low-grade sulfur-bearing lead-zinc is prepared into mine by sulfur-bearing lead-zinc after broken, ore grinding
Slurry, which is characterized in that ore dressing sequence is followed successively by, sulphide flotation, leaded object flotation, Zinc compounds flotation；
Grinding fineness is that the miberal powder of 200 mesh or more accounts for 80% of gross mass or more；The accounting of miberal powder is 35~45% in ore pulp.
2. as described in claim 1 with the beneficiation method of low-grade sulfur-bearing lead-zinc, which is characterized in that the sulfide is floating
Choosing is divided into one roughing and primary cleaning；The supreme one layer of operation of middling recurrence generated after selected.
3. as claimed in claim 2 with the beneficiation method of low-grade sulfur-bearing lead-zinc, which is characterized in that sulfide roughing institute
It is sodium carbonate 1500g/t, waterglass 500g/t, ammonium sulfate 500g/t with medicament, sodium humate 500g/t, diethyldithiocarbamate 60g/t, penta
Base xanthate 20g/t, No. two oil 10g/t；Selected medicament used is sodium carbonate 1200g/t, waterglass 300g/t, ammonium sulfate 300g/
T, sodium humate 300g/t, diethyldithiocarbamate 40g/t, amyl group xanthate 10g/t, No. two oil 10g/t；Time used in roughing is 3~5min；
The selected time used is 1~3min.
4. as described in claim 1 with the beneficiation method of low-grade sulfur-bearing lead-zinc, which is characterized in that the leaded object is floating
Choosing is through lead roughing I and the roughing twice of lead roughing II, once purging selection and selected twice, wherein scanning equal with selected generated chats
It is back in lead roughing I.
5. as claimed in claim 4 with the beneficiation method of low-grade sulfur-bearing lead-zinc, which is characterized in that the lead roughing I
Medicament used is vulcanized sodium 11kg/t, diethyldithiocarbamate 100g/t, amyl group xanthate 100g/t, No. two oil 10g/t；I used time of lead roughing
Between be 3~5min；Medicament used in the lead roughing II is vulcanized sodium 5kg/t, diethyldithiocarbamate 100g/t, amyl group xanthate 100g/t；Lead
Time used in roughing I is 3~5min；It is described that scan medicament used be diethyldithiocarbamate 60g/t, amyl group xanthate 60g/t；Scanning the time is
2~3min；The medicament used selected twice is vulcanized sodium 2kg/t, diethyldithiocarbamate 50g/t, amyl group xanthate 50g/t；The selected time
It is 1~3min.
6. as described in claim 1 with the beneficiation method of low-grade sulfur-bearing lead-zinc, which is characterized in that the Zinc compounds are floating
Choosing
Through one roughing, once purging selection and primary cleaning；It scans and the selected generated supreme one layer of operation of middling recurrence.
7. as claimed in claim 6 with the beneficiation method of low-grade sulfur-bearing lead-zinc, which is characterized in that used in the roughing
Medicament is calgon 500g/t, vulcanized sodium 12kg/t, 103 collecting agent 600g/t, bk301:180g/t, amyl group xanthate
300g/t, No. two oil 30g；The roughing time is 3~5min；It is described that scan medicament used be vulcanized sodium 200g/t, 103 collecting agents
120g/t, bk301:60g/t, amyl group xanthate 60g/t, No. two oil 20g/t；Scanning the time is 2~3min；Selected institute's medication
Agent is vulcanized sodium 100g/t, 103 collecting agent 100g/t, bk301:50g/t, amyl group xanthate 50g/t, No. two oil 20g；The selected time
It is 1~3min.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111659531A (en) * | 2020-06-16 | 2020-09-15 | 昆明理工大学 | Method for flotation separation of lead-zinc sulfide ore containing intergrowth |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111659531A (en) * | 2020-06-16 | 2020-09-15 | 昆明理工大学 | Method for flotation separation of lead-zinc sulfide ore containing intergrowth |
| CN111659531B (en) * | 2020-06-16 | 2021-03-23 | 昆明理工大学 | Method for flotation separation of lead-zinc sulfide ore containing intergrowth |
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Application publication date: 20190301 |