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锑金多金属 硫化矿物的浮渣浆泵选分离方法是什么?

作者:admin 发布日期:2020-12-17 15:52:20 关注次数:15

锑金多金属 硫化矿物的浮渣浆泵选分离方法是什么?

锑金多金属硫化矿石产于中低温热液裂腺充填锑金共生矿床,主要矿物为辉锑矿.其次为自然金、硫锑铅矿、锑的氧化物、黄铜矿、黄铁矿、毒砂等。脉石矿物主要有石英,其次为组云母、硅酸盐等。辉锑矿多为致密块状。自然金呈不规则微粒状,金与毒砂紧密共生。

    一般采用混合-优先浮选流程,如图4.2所示。将矿石磨到-0. 074mm为60%~80%。先混合浮选锑金(砷),得混合精矿,然后进行锑金(砷)浮选分离,采用硫化钠-碳酸钠法来抑制辉锑矿,浮选金(砷),经两次精选得金(砷)精矿,槽内产物为锑精矿;混合浮选的尾矿经扫选,扫选的泡沫产物给入锑金(砷)浮选分离系统,槽内产物再经过一次锑粗选、 一次精选、一次扫选, 得成品锑精矿和废弃尾矿,中矿返回锑金(砷)混合浮选的扫选作业。渣浆泵厂家

    浮选药剂: 在锑金(砷)混合浮选时,矿浆pH调整为6.5.以黄药和黑药为混合捕收剂,硝酸铅和硫酸铜为混合活化剂:在锑金(砷)浮选分离时,矿浆pH调整为11~12,加入硫化钠和碳酸钠调整剂。

What is the scum slurry pump separation method for antimony gold polymetallic sulfide minerals?

Antimony gold polymetallic sulfide ore is produced in the meso low temperature hydrothermal cleft filling antimony gold intergrowth deposit, the main mineral is stibnite, followed by natural gold, antimony sulfide lead ore, antimony oxide, chalcopyrite, pyrite, arsenopyrite, etc. Gangue minerals are mainly quartz, followed by mica and silicate. Stibnite is mostly dense and massive. The natural gold is in the form of irregular particles, and gold and arsenopyrite are closely related.

Generally, the mixed priority flotation process is adopted, as shown in Figure 4.2. Grinding the ore to - 0.074mm is 60% ~ 80%. Flotation of antimony gold (arsenic) is first mixed, then antimony gold (arsenic) is floatated and separated. Sodium antimony carbonate is used to inhibit stibium ore and flotation of gold (arsenic). Gold (arsenic) concentrate is picked up by two times, and antimony concentrate is selected as the product in the tank. After flotation of the tailings, the foam product is swept into the antimony gold (arsenic) flotation separation system, and the product in the tank is once again selected by antimony roughing once. The final antimony concentrate and waste tailings are obtained by cleaning and one-time scavenging, and the middle ore is returned to antimony gold (arsenic) mixed flotation. Slurry pump manufacturer

Flotation agent: in the mixed flotation of antimony gold (arsenic), the pulp pH is adjusted to 6.5. Xanthate and black agent are used as the mixed collectors, lead nitrate and copper sulfate are used as the mixed activators. In the flotation separation of antimony gold (arsenic), the pulp pH is adjusted to 11-12, and sodium sulfide and sodium carbonate are added as the adjusters.



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