CN111632745A - A kind of beneficiation process of cataclastic rock type copper-tin oxide ore - Google Patents
A kind of beneficiation process of cataclastic rock type copper-tin oxide ore Download PDFInfo
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- CN111632745A CN111632745A CN202010348226.6A CN202010348226A CN111632745A CN 111632745 A CN111632745 A CN 111632745A CN 202010348226 A CN202010348226 A CN 202010348226A CN 111632745 A CN111632745 A CN 111632745A
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- 238000000034 method Methods 0.000 title claims abstract description 32
- HOFIJBMBYYEBNM-UHFFFAOYSA-N copper;oxotin Chemical compound [Cu].[Sn]=O HOFIJBMBYYEBNM-UHFFFAOYSA-N 0.000 title claims abstract description 14
- 239000011435 rock Substances 0.000 title claims description 8
- 239000012141 concentrate Substances 0.000 claims abstract description 60
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 58
- 238000005188 flotation Methods 0.000 claims abstract description 26
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229910001887 tin oxide Inorganic materials 0.000 claims abstract description 20
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000005751 Copper oxide Substances 0.000 claims abstract description 14
- 229910000431 copper oxide Inorganic materials 0.000 claims abstract description 14
- 238000000926 separation method Methods 0.000 claims abstract description 13
- ACVYVLVWPXVTIT-UHFFFAOYSA-N phosphinic acid Chemical group O[PH2]=O ACVYVLVWPXVTIT-UHFFFAOYSA-N 0.000 claims abstract description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 20
- 229910052802 copper Inorganic materials 0.000 claims description 20
- 239000010949 copper Substances 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000011010 flushing procedure Methods 0.000 claims description 9
- 239000003112 inhibitor Substances 0.000 claims description 6
- 235000019353 potassium silicate Nutrition 0.000 claims description 6
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims description 2
- 238000011084 recovery Methods 0.000 abstract description 17
- 230000000694 effects Effects 0.000 abstract description 4
- 239000012190 activator Substances 0.000 abstract description 2
- 239000003795 chemical substances by application Substances 0.000 abstract description 2
- 239000002245 particle Substances 0.000 abstract description 2
- 230000005484 gravity Effects 0.000 abstract 1
- 239000004088 foaming agent Substances 0.000 description 4
- 239000002893 slag Substances 0.000 description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000009854 hydrometallurgy Methods 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 239000011133 lead Substances 0.000 description 1
- LWUVWAREOOAHDW-UHFFFAOYSA-N lead silver Chemical compound [Ag].[Pb] LWUVWAREOOAHDW-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
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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
-
- 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
- B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
- B03B5/02—Washing granular, powdered or lumpy materials; Wet separating using shaken, pulsated or stirred beds as the principal means of separation
- B03B5/04—Washing granular, powdered or lumpy materials; Wet separating using shaken, pulsated or stirred beds as the principal means of separation on shaking tables
-
- 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
- B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
- B03B5/28—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation
- B03B5/30—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation using heavy liquids or suspensions
- B03B5/32—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation using heavy liquids or suspensions using centrifugal force
-
- 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
-
- 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
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/001—Flotation agents
- B03D1/018—Mixtures of inorganic and organic compounds
-
- 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
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D2201/00—Specified effects produced by the flotation agents
- B03D2201/02—Collectors
-
- 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
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D2201/00—Specified effects produced by the flotation agents
- B03D2201/06—Depressants
-
- 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
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D2203/00—Specified materials treated by the flotation agents; Specified applications
- B03D2203/02—Ores
- B03D2203/04—Non-sulfide ores
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- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
本发明一种碎裂岩型氧化铜锡矿的选矿工艺，直接浮选回收氧化铜，尼尔森重选回收细粒氧化锡，摇床回收粗粒氧化锡。本发明采用直接浮选氧化铜，采用氧化铜捕收剂二仲基次磷酸，不需添加活化剂的条件下进行回收氧化铜，可获得较为理想的选矿指标。尼尔森对细粒级锡石有较好的回收效果，加之在尼尔森重选过程中，吸附在矿粒上的药剂在强烈的离心旋转和相互摩擦作用下被解析脱离，有利于后续作业的进行。摇床选粗粒氧化锡，获得锡精矿富集比较高。该工艺采用浮选‑重选联合工艺，根据矿石特点分段回收，具有回收富集比高，回收效果好，适用性强，便于工业化推广应用。The invention relates to a beneficiation process for a fractured rock-type copper-tin oxide ore, wherein copper oxide is recovered by direct flotation, fine-grained tin oxide is recovered by Nielsen gravity separation, and coarse-grained tin oxide is recovered by shaking table. The invention adopts direct flotation of copper oxide, adopts the copper oxide collector di-secondary hypophosphorous acid, and recovers the copper oxide without adding an activator, thereby obtaining a relatively ideal beneficiation index. Nielsen has a good recovery effect on fine-grained cassiterite. In addition, in the Nielsen re-election process, the agent adsorbed on the ore particles is resolved and separated under the action of strong centrifugal rotation and mutual friction, which is conducive to the subsequent operation. The shaking table selects coarse-grained tin oxide to obtain a relatively high enrichment of tin concentrate. The process adopts the combined flotation-gravity separation process, and the ore is recovered in stages according to the characteristics of the ore. It has high recovery and enrichment ratio, good recovery effect, and strong applicability, which is convenient for industrialization and application.
Description
技术领域technical field
本发明属于矿物加工技术领域，具体地说是一种碎裂岩型氧化铜锡矿的选矿工艺。The invention belongs to the technical field of mineral processing, in particular to a beneficiation process of a cataclysm-type copper-tin oxide ore.
背景技术Background technique
我国每年因湿法炼锌产生大量的铅银渣，渣中含有铜、铅、锌等多种金属元素和价值可观的银、金、镉、铟等稀有金属。虽然铅银渣具有较高的经济价值，但由于其具有酸度高、水分大、可溶物含量高、粒度细等特点，一直没有得到很好的利用。目前，国内外回收铅银渣的方法主要有：浮选法、火法、湿法、火法-湿法联合工艺等。这些方法存在的弊端是，回收率低、生产成本高、流程适用性不强、环境污染严重等。In my country, a large amount of lead and silver slag is produced every year due to zinc hydrometallurgy. The slag contains copper, lead, zinc and other metal elements and valuable silver, gold, cadmium, indium and other rare metals. Although lead-silver slag has high economic value, it has not been well utilized due to its high acidity, high water content, high soluble content and fine particle size. At present, the main methods for recovering lead and silver slag at home and abroad are: flotation method, fire method, wet method, combined fire method and wet method, etc. The disadvantages of these methods are that the recovery rate is low, the production cost is high, the process applicability is not strong, and the environmental pollution is serious.
发明内容SUMMARY OF THE INVENTION
本发明的一个目的是提供一种碎裂岩型氧化铜锡矿的选矿工艺，解决现有技术的局限性，回收铜、锡。One object of the present invention is to provide a beneficiation process for a fractured rock type copper-tin oxide ore, which solves the limitations of the prior art and recovers copper and tin.
为实现上述目的，本发明所述一种碎裂岩型氧化铜锡矿的选矿工艺，其特点是，包括如下步骤：In order to achieve the above object, the beneficiation process of a kind of fracture rock type copper oxide tin ore of the present invention is characterized in that, comprises the following steps:
步骤1：磨矿，对原矿磨矿处理至磨矿浓度为50～60％，磨矿细度小于0.074mm含量为90％～95％；磨矿时加入脉石抑制剂，加入量为800～1000g/t；Step 1: Grinding, the raw ore is ground until the grinding concentration is 50-60%, and the grinding fineness is less than 0.074mm and the content is 90%-95%; gangue inhibitor is added during grinding, and the addition amount is 800- 1000g/t;
步骤2：直接浮选氧化铜，将步骤1得到矿浆调节至质量百分浓度为30～35％，加入二仲基次磷酸200～300g/t，2#油20～40g/t，经过三次精选三次扫选获得铜精矿和浮选尾矿；Step 2: direct flotation of copper oxide, adjust the pulp obtained in step 1 to a mass percentage concentration of 30-35%, add 200-300 g/t of di-secondary hypophosphorous acid, 2 # oil 20-40 g/t, after three selections Three sweeps to obtain copper concentrate and flotation tailings;
步骤3：尼尔森选细粒氧化锡，将步骤2中获得浮选尾矿，在60～90G值，冲水量为2.4～3.2L/min条件下分选获得锡粗精矿和尼尔森尾矿，锡粗精矿经过3～5次淘洗，获得细粒锡精矿；Step 3: Nielsen selects fine-grained tin oxide, and the flotation tailings obtained in step 2 are separated under the conditions of a value of 60-90G and a flushing volume of 2.4-3.2L/min to obtain coarse tin concentrate and Nielsen tailings, tin The coarse concentrate is washed for 3 to 5 times to obtain fine-grained tin concentrate;
步骤4：摇床选粗粒细氧化锡，将步骤3中获得尼尔森尾矿，在冲程为9～10mm，冲次为380～460次/分钟的摇床，给矿浓度为20～30％，冲洗水2～3L/min条件下进行分选，获得摇床锡精矿Ⅰ、中矿和尾矿；中矿经过再次摇床精选获得摇床锡精矿Ⅱ，摇床锡精矿Ⅰ与摇床锡精矿Ⅱ合并为最终摇床锡精矿。Step 4: Select coarse-grained and fine-grained tin oxide on a shaking table, obtain Nelson tailings in step 3, and use a shaking table with a stroke of 9 to 10 mm and a stroke of 380 to 460 times per minute, and the concentration of the ore feeding is 20 to 30%. Under the condition of washing water 2-3L/min, separation is carried out to obtain shaking table tin concentrate I, medium ore and tailings; Shaker tin concentrate II is combined into the final shaker tin concentrate.
本发明一种碎裂岩型氧化铜锡矿的选矿工艺技术方案中，进一步优选的技术方案特征是：In the beneficiation process technical scheme of a cataclysm-type copper-tin oxide ore of the present invention, the further preferred technical scheme features are:
1、所述步骤1中脉石抑制剂为水玻璃，加入量为900g/t；1. In the step 1, the gangue inhibitor is water glass, and the added amount is 900g/t;
2、所述步骤2中矿浆调节至质量百分浓度为33％；2. In the step 2, the pulp is adjusted to a mass percentage concentration of 33%;
3、所述步骤2中加入二仲基次磷酸250g/t，2#油30g/t。3. In the step 2, add 250g/t of di-secondary hypophosphorous acid and 30g/t of 2 # oil.
与现有技术相比，本发明有益效果在于：(1)直接浮选氧化铜，采用氧化铜捕收剂二仲基次磷酸，不需添加活化剂的条件下进行回收氧化铜，可获得较为理想的选矿指标。(2)尼尔森选细粒氧化锡。尼尔森对细粒级锡石有较好的回收效果，加之在尼尔森重选过程中，吸附在矿粒上的药剂在强烈的离心旋转和相互摩擦作用下被解析脱离，有利于后续作业的进行。(3)摇床选粗粒氧化锡。矿石在床面上为扇形分带便于观察和调节，获得锡精矿富集比较高。该工艺采用浮选-重选联合工艺，根据矿石特点分段回收，具有回收富集比高，回收效果好，适用性强，便于工业化推广应用。Compared with the prior art, the beneficial effects of the present invention are: (1) direct flotation of copper oxide, using the copper oxide collector di-secondary hypophosphorous acid, and recovering the copper oxide without adding an activator to obtain a relatively ideal mineral processing index. (2) Nielsen selects fine-grained tin oxide. Nielsen has a good recovery effect on fine-grained cassiterite. In addition, in the Nielsen re-election process, the agent adsorbed on the ore particles is resolved and separated under the action of strong centrifugal rotation and mutual friction, which is conducive to the subsequent operation. (3) Shaker to select coarse-grained tin oxide. The ore is fan-shaped on the bed surface, which is convenient for observation and adjustment, and the enrichment of tin concentrate is relatively high. The process adopts the flotation-gravity separation combined process, and the ore is recovered in stages according to the characteristics of the ore. It has high recovery and enrichment ratio, good recovery effect, strong applicability, and is convenient for industrialization and application.
具体实施方式Detailed ways
下面将结合本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。The following will clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
实施例1，一种碎裂岩型氧化铜锡矿的选矿工艺，包括如下步骤：步骤1：磨矿，对原矿磨矿处理至磨矿浓度为50～60％，磨矿细度小于0.074mm含量为90％～95％；磨矿时加入脉石抑制剂，加入量为800～1000g/t；步骤2：直接浮选氧化铜，将步骤1得到矿浆调节至质量百分浓度为30～35％，加入二仲基次磷酸200～300g/t，2#油20～40g/t，经过三次精选三次扫选获得铜精矿和浮选尾矿；步骤3：尼尔森选细粒氧化锡，将步骤2中获得浮选尾矿，在60～90G值，冲水量为2.4～3.2L/min条件下分选获得锡粗精矿和尼尔森尾矿，锡粗精矿经过3～5次淘洗，获得细粒锡精矿；步骤4：摇床选粗粒细氧化锡，将步骤3中获得尼尔森尾矿，在冲程为9～10mm，冲次为380～460次/分钟的摇床，给矿浓度为20～30％，冲洗水2～3L/min条件下进行分选，获得摇床锡精矿Ⅰ、中矿和尾矿；中矿经过再次摇床精选获得摇床锡精矿Ⅱ，摇床锡精矿Ⅰ与摇床锡精矿Ⅱ合并为最终摇床锡精矿。所述2#油为起泡剂，所述直接浮选氧化铜时采用二仲基次磷酸为捕收剂；所述氧化锡回收方法为细粒氧化锡采用尼尔森回收，粗粒氧化锡采用摇床，并且摇床中矿再进行摇床。Embodiment 1, a beneficiation process of a fractured rock type copper-tin oxide ore, including the following steps: Step 1: grinding, grinding the raw ore until the grinding concentration is 50-60%, and the grinding fineness is less than 0.074mm The content is 90%-95%; the gangue inhibitor is added during grinding, and the addition amount is 800-1000g/t; Step 2: direct flotation of copper oxide, and the pulp obtained in step 1 is adjusted to a mass percentage concentration of 30-35 %, add 200～300g/t of secondary hypophosphorous acid, 20～40g/t of 2 # oil, and obtain copper concentrate and flotation tailings after three selections and three sweeps; Step 3: Nielsen selects fine-grained tin oxide, In step 2, the flotation tailings are obtained, and the tin coarse concentrate and Nelson tailings are obtained by sorting under the conditions of 60-90G value and flushing water volume of 2.4-3.2L/min. The tin coarse concentrate is washed for 3-5 times, Obtain fine-grained tin concentrate; step 4: shaker for coarse-grained and fine-grained tin oxide, the Nielsen tailings obtained in step 3, and feed ore on a shaker with a stroke of 9-10mm and a stroke of 380-460 times/min The concentration is 20-30%, and the washing water is separated at 2-3L/min to obtain shaking table tin concentrate I, medium ore and tailings; Shaker tin concentrate I and shaker tin concentrate II are combined into the final shaker tin concentrate. The 2 # oil is a foaming agent, and di-secondary hypophosphorous acid is used as a collector during the direct flotation of copper oxide; the tin oxide recovery method is that fine-grained tin oxide is recovered by Nielsen, and coarse-grained tin oxide is recovered by a shaking table , and shake the ore in the shaker again.
实施例2，根据实施例1所述的碎裂岩型氧化铜锡矿的选矿工艺中，所述步骤1中脉石抑制剂为水玻璃，加入量为900g/t。Embodiment 2, according to the beneficiation process of the fractured rock type copper-tin oxide ore described in Embodiment 1, in the step 1, the gangue inhibitor is water glass, and the added amount is 900 g/t.
实施例3，根据实施例1或2所述的碎裂岩型氧化铜锡矿的选矿工艺中，所述步骤2中矿浆调节至质量百分浓度为33％。Embodiment 3, in the beneficiation process of the cataclysm-type copper-tin oxide ore according to Embodiment 1 or 2, in the step 2, the ore slurry is adjusted to a mass percentage concentration of 33%.
实施例4，根据实施例1或2或3所述的碎裂岩型氧化铜锡矿的选矿工艺中，所述步骤2中加入二仲基次磷酸250g/t，2#油30g/t。Example 4, in the beneficiation process of the cataclysm-type copper-tin oxide ore described in Example 1, 2 or 3, in the step 2, 250 g/t of di-secondary hypophosphorous acid and 30 g/t of 2 # oil were added.
实施例5，广西某铜锡矿原矿含铜1.69％，含锡1.12％。选矿工艺如下1、磨矿，对原矿进行磨矿处理，使得磨矿浓度为55.6％，加入水玻璃900g/t，磨矿细度为0.074mm含量占91.54％。2.直接浮选氧化铜：浮选矿浆质量百分浓度为32.5％，加入二仲基次磷酸，用量为250g/t，起泡剂2#油，用量为30g/t，经过三次精选三次扫选获得铜精矿和浮选尾矿。铜精矿中铜品位为20.17％，铜回收率为85.32％。3.尼尔森选细粒氧化锡：步骤2中获得浮选尾矿，在90G值，冲水量为2.8L/min条件下分选获得锡粗精矿和尼尔森尾矿。锡粗精矿经过4次淘洗，获得细粒锡精矿。细粒锡精矿品位为34.45％，锡回收率为42.25％。4.摇床选粗粒细氧化锡：将步骤3中获得尼尔森尾矿，在冲程为9～10mm，冲次为420次/分钟的摇床，给矿浓度为25％，冲洗水3L/min条件下进行分选获得摇床锡精矿Ⅰ、中矿和尾矿。中矿经过再次摇床精选获得摇床锡精矿Ⅱ，摇床锡精矿Ⅰ与摇床锡精矿Ⅱ合并为最终摇床锡精矿。摇床获得锡精矿品位为28.98％，回收率为33.76％。Example 5, a copper-tin ore in Guangxi contains 1.69% copper and 1.12% tin. The beneficiation process is as follows: 1. Grinding, the raw ore is subjected to grinding treatment, so that the grinding concentration is 55.6%, adding water glass 900g/t, and the grinding fineness is 0.074mm, and the content accounts for 91.54%. 2. Direct flotation of copper oxide: the mass percentage concentration of the flotation pulp is 32.5%, the amount of di-secondary hypophosphorous acid is added, and the amount is 250g/t, and the amount of foaming agent 2 # oil is 30g/t. Selected to obtain copper concentrate and flotation tailings. The copper grade in the copper concentrate is 20.17%, and the copper recovery rate is 85.32%. 3. Nielsen separation of fine-grained tin oxide: flotation tailings are obtained in step 2, and tin coarse concentrate and Nielsen tailings are obtained by separation under the conditions of 90G value and 2.8L/min of flushing water. The coarse tin concentrate is washed four times to obtain fine-grained tin concentrate. The fine-grained tin concentrate grade was 34.45% and the tin recovery was 42.25%. 4. Separation of coarse-grained and fine-grained tin oxide by shaking table: Nelson tailings obtained in step 3, in a shaking table with a stroke of 9 to 10 mm, a stroke of 420 times/min, a feeding concentration of 25%, and a flushing water of 3L/min Shaking bed tin concentrate I, medium ore and tailings are obtained by sorting under the conditions. Shaking tin concentrate II was obtained from the Middle Mine after another shaker selection, and the shaker tin concentrate I and the shaker tin concentrate II were combined into the final shaker tin concentrate. The grade of tin concentrate obtained by the shaker was 28.98%, and the recovery rate was 33.76%.
实施例6，云南某铜锡矿原矿含铜1.23％，含锡1.87％。选矿工艺如下1、磨矿，对原矿进行磨矿处理，使得磨矿浓度为55.8％，加入水玻璃950g/t，磨矿细度为0.074mm含量占93.5％。2.直接浮选氧化铜：浮选矿浆质量百分浓度为33％，加入二仲基次磷酸，用量为220g/t，起泡剂2#油，用量为28g/t，经过三次精选三次扫选获得铜精矿和浮选尾矿。铜精矿中铜品位为19.14％，铜回收率为82.56％。3.尼尔森选细粒氧化锡：步骤2中获得浮选尾矿，在90G值，冲水量为2.8L/min条件下分选获得锡粗精矿和尼尔森尾矿。锡粗精矿经过4次淘洗，获得细粒锡精矿。细粒锡精矿品位为35.87％，锡回收率为48.98％。4、摇床选粗粒细氧化锡：将步骤3中获得尼尔森尾矿，在冲程为9～10mm，冲次为400次/分钟的摇床，给矿浓度为26％，冲洗水2.5L/min条件下进行分选获得摇床锡精矿Ⅰ、中矿和尾矿。中矿经过再次摇床精选获得摇床锡精矿Ⅱ，摇床锡精矿Ⅰ与摇床锡精矿Ⅱ合并为最终摇床锡精矿。摇床获得锡精矿品位为30.45％，回收率为31.45％。Example 6, the raw ore of a copper-tin ore in Yunnan contains 1.23% copper and 1.87% tin. The beneficiation process is as follows: 1. Grinding, grinding the raw ore so that the grinding concentration is 55.8%, adding 950g/t of water glass, the grinding fineness is 0.074mm, and the content accounts for 93.5%. 2. Direct flotation of copper oxide: the mass percentage concentration of the flotation pulp is 33%, the amount of di-secondary hypophosphorous acid is added, and the amount is 220g/t, and the amount of foaming agent 2 # oil is 28g/t. Selected to obtain copper concentrate and flotation tailings. The copper grade in the copper concentrate is 19.14%, and the copper recovery rate is 82.56%. 3. Nielsen separation of fine-grained tin oxide: flotation tailings are obtained in step 2, and tin coarse concentrate and Nielsen tailings are obtained by separation under the conditions of 90G value and 2.8L/min of flushing water. The coarse tin concentrate is washed four times to obtain fine-grained tin concentrate. The fine-grained tin concentrate grade was 35.87%, and the tin recovery rate was 48.98%. 4. Separation of coarse-grained and fine-grained tin oxide by shaking table: Nelson tailings obtained in step 3, in a shaking table with a stroke of 9-10 mm and a stroke of 400 times/min, the feeding concentration is 26%, and the flushing water is 2.5L/min. Mining conditions were carried out to obtain shaking bed tin concentrate I, medium ore and tailings. Shaking tin concentrate II was obtained from the Middle Mine after another shaker selection, and the shaker tin concentrate I and the shaker tin concentrate II were combined into the final shaker tin concentrate. The grade of tin concentrate obtained by the shaker was 30.45%, and the recovery rate was 31.45%.
实施例7，国外某铜锡矿原矿含铜0.99％，含锡0.94％。选矿工艺如下1、磨矿，对原矿进行磨矿处理，使得，磨矿浓度为57％，加入水玻璃950g/t，磨矿细度为0.074mm含量占94.5％。2.直接浮选氧化铜：浮选矿浆质量百分浓度为34％，加入二仲基次磷酸，用量为200g/t，起泡剂2#油，用量为22g/t，经过三次精选三次扫选获得铜精矿和浮选尾矿。铜精矿中铜品位为18.23％，铜回收率为80.23％。3.尼尔森选细粒氧化锡：步骤2中获得浮选尾矿，在60G值，冲水量为2.8L/min条件下分选获得锡粗精矿和尼尔森尾矿。锡粗精矿经过5次淘洗，获得细粒锡精矿。细粒锡精矿品位为19.87％，锡回收率为48.15％。4摇床选粗粒细氧化锡：将步骤3中获得尼尔森尾矿，在冲程为9～10mm，冲次为440次/分钟的摇床，给矿浓度为24％，冲洗水2.7L/min条件下进行分选获得摇床锡精矿Ⅰ、中矿和尾矿。中矿经过再次摇床精选获得摇床锡精矿Ⅱ，摇床锡精矿Ⅰ与摇床锡精矿Ⅱ合并为最终摇床锡精矿。摇床获得锡精矿品位为21.45％，回收率为24.31％。Example 7, a foreign copper-tin ore ore contains 0.99% copper and 0.94% tin. The beneficiation process is as follows: 1. Grinding, grinding the raw ore, so that the grinding concentration is 57%, adding water glass 950g/t, and the grinding fineness is 0.074mm and the content accounts for 94.5%. 2. Direct flotation of copper oxide: the mass percentage concentration of the flotation pulp is 34%, the amount of di-secondary hypophosphorous acid is added, and the amount is 200g/t, and the amount of foaming agent 2 # oil is 22g/t. Selected to obtain copper concentrate and flotation tailings. The copper grade in the copper concentrate is 18.23%, and the copper recovery rate is 80.23%. 3. Nielsen separation of fine-grained tin oxide: in step 2, flotation tailings are obtained, and tin coarse concentrate and Nielsen tailings are obtained by sorting under the conditions of 60G value and 2.8L/min flushing volume. The coarse tin concentrate is washed five times to obtain fine-grained tin concentrate. The fine-grained tin concentrate grade was 19.87% and the tin recovery was 48.15%. 4. Separation of coarse-grained and fine-grained tin oxide on a shaker: the Nielsen tailings obtained in step 3, in a shaker with a stroke of 9-10mm and a stroke of 440 times/min, the ore feeding concentration is 24%, and the flushing water is 2.7L/min Shaking bed tin concentrate I, medium ore and tailings are obtained by sorting under the conditions. Shaking tin concentrate II was obtained from the Middle Mine after another shaker selection, and the shaker tin concentrate I and the shaker tin concentrate II were combined into the final shaker tin concentrate. The grade of tin concentrate obtained by the shaker was 21.45%, and the recovery rate was 24.31%.
以上所述，仅为本发明专利优选的实施例，但本发明专利的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明专利所公开的范围内，根据本发明专利的技术方案及其发明专利构思加以等同替换或改变，都属于本发明专利的保护范围。The above are only the preferred embodiments of the patent of the present invention, but the protection scope of the patent of the present invention is not limited to this. The equivalent replacement or modification of the technical solution and its invention patent concept shall fall within the protection scope of the invention patent.
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