CN104801434A - 通过干式浓缩提取粘土、硅和铁矿石的工艺 - Google Patents
通过干式浓缩提取粘土、硅和铁矿石的工艺 Download PDFInfo
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- CN104801434A CN104801434A CN201410520630.1A CN201410520630A CN104801434A CN 104801434 A CN104801434 A CN 104801434A CN 201410520630 A CN201410520630 A CN 201410520630A CN 104801434 A CN104801434 A CN 104801434A
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- belt conveyor
- clay
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicium dioxide Chemical compound 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[O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 239000002734 clay mineral Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000005408 paramagnetism Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titan oxide Chemical compound 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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/18—Drum screens
- B07B1/22—Revolving drums
- B07B1/24—Revolving drums with fixed or moving interior agitators
Abstract
本发明涉及一种无水提取工艺，通过干燥、干燥筛选、密度分离、机械摩擦分离、空气分级分离、研磨和磁性分离从来自于尾矿坝和沉积物中的尾矿收集粘土、二氧化硅和铁矿石。通过使用以顺序次序排成的设备部件来实现这个工艺，具体如下：具有分类器的水平旋转筛(4)，分类器配备有多达5个输出口，以排放不同尺寸的颗粒；配备叶片(5.3)和翅片(5.2)的水平浓缩器(5)，用来去除粘土，水平浓缩器(5)连接到第一排气系统(3)；垂直空气浓缩器(5)用于通过离心力对粘土进行干式分离，并连接到第二排气系统(7)，连接到在提取物料时提高性能的磁选机。
Description
技术领域
[0001] 本发明涉及一种提取包含在尾矿中的粘土、二氧化硅和铁矿石的工艺，所述尾矿在选矿过程中产生，并且从矿坝和沉积物中取得。此工艺通过干燥、干法筛分、密度分离、机械摩擦分离、空气分级机分离、研磨和磁选分离实现，不使用任何水，即使用一种完全的干式工艺。该工艺通过几个阶段使用创新性的设备，更具体地，具有分级机的水平旋转筛，配备有多达五个用于不同粒径尺寸的排出口，装配有叶片和翅片的水平浓缩器连接到排气系统，以去除粘土，通过离心机的离心力将粘土干式分离的垂直空气浓缩器，所述垂直空气浓缩器与排气系统相连接，以及提高提取性能的磁选机。
[0002] 本工艺使得更有成效地开发矿物尾矿并对环境造成更少破坏成为可能。实际上，因为本工艺不使用水，包括包含在尾矿坝中的废弃物，通过在各个阶段以有效的方式使用创新性的设备，所以有助于环境的恢复。使用由采矿工业产生的尾矿的目的是从尾矿中提取粘土、二氧化硅和矿石，并且使它们彼此分离，所述尾矿是由尾矿坝和沉积物的选矿过程产生的，其通过本文描述的工艺成为可能，处理后的物料将产生大约5% -8%的百分率的粘土，大约30 % -40 %的百分率的二氧化硅，回收率为98 %，矿石将产生35 % -50 %，回收率为 98%。
背景技术
[0003] 伴随着矿石开采操作，矿山企业往往会产生大量的普通的废石和尾矿，基本上它们被倾倒在倾注罐中或者尾矿坝上。尾矿坝吸纳了大量的财政和运营资源，用于尾矿坝的维护和加高，并且受泄漏和溢出的影响，其可能释放出大量的废物进入环境中，从而构成迫在眉睫的危险，以及对环境的不可估量的影响。此外，尾矿坝丑化了景观，成为引起政府机关、卫生机构和周围人群关注的根源。
[0004] 国内矿石生产平均大于400，000, 000吨/年，废弃物的年产量约40，000, 000吨，
来自于矿石的提取和选矿的废弃物具有细化的晶粒尺寸，100%的物料的晶粒尺寸小于9.5毫米。采矿废弃物基本上包括水、粘土、二氧化硅和矿石。一般而言，采矿废弃物包括50%的水和其余的50%的固体物料。这将会导致产生多于20，000，000吨/年的粘土、二氧化硅和矿石，只要进行适当的分离，所述粘土、二氧化硅和矿石可应用在工业化过程中。
[0005] 粘土可以用于陶瓷行业或作为民事或公路工程的原料，二氧化硅可用于玻璃行业或作为民事或公路工程的原料，矿石可用于钢铁行业。因为这些材料具有的化学成分非常接近于用于商业的粘土、二氧化硅和矿石的化学成分，这些产品随后可以用于工业，并且，因为它们不包含污染物，这些产品呈现为开发工艺的另一种选择，以及降低环境风险的手段。
[0006] 密度分离被广泛应用于矿石分离和浓缩过程。在矿石处理中磁选分离是一种众所周知的方法，并用来浓缩和/或净化一些矿物质。它可以根据个别矿物质种类呈现的对磁场的差别反应来使用。根据磁化率，即决定其对磁场响应的材料的性质，矿物质和材料可分为两大类:被吸引到磁场和被磁场排斥。第一类包括磁性矿物，所述磁性矿物可以强烈地被吸引到磁场，和顺磁性矿物，所述顺磁性矿物被弱吸引。抗磁材料是会被磁场排斥的材料。可以通过干式或湿式的工艺来进行磁选分离。干式方法通常用于粗粒，并且这种方法可以利用淀粉用于得到更细的物粒。
发明内容
[0007] 本发明提供了一种工艺，所述工艺采用的物料的晶粒尺寸100%的小于I毫米，矿石主要是在尾矿中发现的磁性成分，换句话说，需要高磁场强度去吸引矿石，磁场强度从1，500G到21，000G (高斯)之间改变，此外，所述工艺使用磁鼓和磁辊实现二氧化硅和矿石的分离。
[0008] 对于在现有技术状态中的用于矿石分离的现有设备和工艺，由于使用创新的筛分单元，以及由于在粘土分离中使用筛和水平浓缩器，本申请所示的工艺提供了在材料分类中超过30%的增值。这使得将已处在提取后期的矿石直接传送到垂直空气浓缩器中成为可能。这下文中的现在仍在使用的工艺有实质上的不同。
[0009] P105955452-A只提供了用于二氧化硅生产的工艺，该工艺没有考虑到包含在粘土中的矿石、氧化铝和其他元素的回收，因为材料的回收部分可以以显著的方式对来自矿山的粘土矿物的消耗量的降低作出贡献，因此，粘土成为对陶瓷选矿行业有着巨大利益关系的原料，这成为在本申请的工艺中考虑的事实。
[0010] P10803327-7A2显示了一种矿石浓缩的工艺，该工艺以水消耗量的降低和将尾矿传送到用于排水和处理的工业厂房为基础，使得其与本申请所述的工艺不同，因为以对环境不造成影响的环保安全、可持续性发展的方式，所有的矿物废弃物的构成元素将用作在工程工艺中使用的原料。
[0011] P1096025301-A呈现了一种通过湿法冶金处理从赤泥中回收矿石的手段，然而，尽管它涉及了现有的问题，但不与本专利中发展和提出的工艺和方法相竞争。
[0012] 专利BR 10 2012 00875涉及包含在尾矿中的铁矿石的分离，但是采用了添加水的几个工艺，而本发明中除密度分离和磁选分离，预先干燥和研磨之外，采用的整个流程都是干式的，没有添加水。
[0013] 专利BR 10 2012 008340-0采用了一种带有机械搅拌的自然气体干燥机，所述干燥机用于直径从2-0.15毫米之间变化的矿石颗粒，这不同于本申请。本申请使用用于直径高达50毫米的粒子的带有逆流温度系统的旋转液化气燃烧干燥机(LPG-fired drier)，其可防止粘土与矿石颗粒形成粘结；另一个区别是，在本申请中，筛分是干式的，然而在先前提交的专利中，在供给到干燥机之前是在自然湿度环境条件下进行筛分的。
[0014] 虽然专利BR 10 2012 020819-9涉及一种干燥分离工艺，但是它不具有本申请提供的主要部件。本申请用于去除粘土的水平筛分单元、配备叶片和翅片的水平浓缩器，也不具有垂直的空气浓缩器，所有这些部件通过跳过过程中的几个步骤带来了操作的技术效益，从而节约了时间、能量和设备磨损，另外可提取大量的粘土和得到更高质量的二氧化硅和矿石。除了上述的区别，可列出有关技术状态具有以下优点:
[0015] I)这是一种工业无水的工艺，该工艺用于将视为废弃物的材料，以高性价比和生成性的方式将它们转化为用于工业生产的原料；
[0016] 2)除了具有叶片和翅片与排气系统，采用了用于去除粘土的水平浓缩器，改善了磁选分离的性能；
[0017] 3)采用了垂直的浓缩器；
[0018] 4)采用了水平筛，所述水平筛不同于振动筛，其通过摇动管道中由不同等级的筛屏得到的物料，使得去除粘土成为可能；
[0019] 5)先前的专利不包括磁鼓和磁辊，只包括辊；因为它们只能以最高16，000G(高斯)工作，因此，也是不同于在本专利申请中的21.000G(高斯)。
[0020] 本申请的工艺中的几个步骤，节约了时间、能量和设备磨损；除了得到更高质量的二氧化硅和矿石，通过提取出大量的粘土，还提高了在矿石回收工艺中的生产率。
附图说明
[0021] 图1表示整个操作过程随着连续生产线的流程图，连续生产线为从尾矿的储存地取出尾矿到用于分离物料的最终储存地点；
[0022] 图2表示水平筛单元；
[0023] 图3表示水平浓缩器；
[0024] 图4表示磁选分离操作的流程图。
具体实施方式
[0025] 本申请的通过干式浓缩提取粘土、二氧化硅和矿石的工艺通过干燥、筛分、密度分离、研磨和磁选分离，使用从尾矿坝和沉积物的选矿过程遗留的尾矿，提供了一种简单、成本效益好和可实用替代的工艺，所述工艺由两个主要阶段组成，两个阶段都是无水的。
[0026] 第一阶段，可细分为四个分阶段，合理地去除粘土矿物，以便能够使用干式磁力选矿机，在干燥、筛选、水平浓缩和垂直空气分离的分阶段中发挥作用；第二阶段借助干式磁性分离机从矿石中分离二氧化硅，优选地，配备有从1，500G-21, 000G的磁鼓和磁辊，也可以利用旋转磁式或其他类型。
[0027] 上述阶段的工艺的操作流程包括以下部分:
[0028] 1、第一阶段
[0029] A-干燥
[0030] 1.1-用于物料或者尾矿(晶粒尺寸小于50_)的输入的进料筒，通过皮带输送机TC-Ol通向干燥机；
[0031 ] 2-具有逆流干燥的旋转干燥机；
[0032] 3-第一排气系统，包括:
[0033] 3.1-旋风分离器电池
[0034] 3.2-套筒过滤器
[0035] 将二氧化硅和矿石从旋风分离器运送到筒仓1.2的TH-Ol螺旋输送机(用于晶粒尺寸小于0.15mm)
[0036] 将粘土从套筒过滤器运送到筒仓1.3的TH-02螺旋输送机(用于晶粒尺寸小于
0.15mm)
[0037] 1.2-用于二氧化硅和矿石的储存/输出的筒仓
[0038] 1.3-用于粘土的储存/输出的筒仓
[0039] B-筛分
[0040] 4-配备有分级器的水平筛分单元，所述分级器具有多达5个卸料槽
[0041] 通向水平浓缩器的皮带输送机TC-02 (晶粒尺寸小于1.0mm)
[0042] 通向皮带输送机TC-03或水平浓缩器的TC-05可逆皮带输送机(晶粒尺寸小于
1.0mm)
[0043] 供料给皮带输送机TC-08的皮带输送机TC-06(晶粒尺寸大于1.0mm并小于6.3mm)
[0044] 通向磁选分离的皮带输送机TC-07 (晶粒尺寸小于1.0Omm)
[0045] 通向磁选分离的皮带输送机TC-08 (晶粒尺寸大于1.0mm并小于6.3mm)
[0046] 传送矿石以存储在筒仓1.4的皮带输送机TC-09 (晶粒尺寸大于9.0mm)
[0047] C、水平浓缩
[0048] 5-水平浓缩器
[0049] 通向垂直空气浓缩的皮带输送机TC-03 (晶粒尺寸小于1.0mm)
[0050] D、垂直空气分离
[0051] 6-垂直空气分离器
[0052] 7-第二粘土排气系统，包括:
[0053] 7.1-旋风分离器电池
[0054] 7.2-套筒型过滤器
[0055] 将粘土从套筒过滤器传送到筒仓1.5的TH-03螺旋输送机(晶粒尺寸小于0.3mm)
[0056] 1.5-用于粘土的储存/输出的筒仓
[0057] 将二氧化娃和矿石从旋风分离器传送到皮带输送机TC-04的TH-04螺旋输送机(用于粒径小于L OOmm)
[0058] 将二氧化硅和矿石传送到磁选分离单元的皮带输送机TC-04
[0059] 2、第二阶段:
[0060] E、磁选分离
[0061] 8-配备有辊和鼓的1，500G-21, 000G的磁力分离器
[0062] 通向矿石存储筒仓的磁性皮带输送机TCM-10
[0063] 通向矿石存储筒仓的磁性皮带输送机TCM-1l
[0064] 通向二氧化硅存储筒仓的皮带输送机TC-12
[0065] 通向矿石存储筒仓的磁性皮带输送机TCM-13
[0066] 通向二氧化硅存储筒仓的皮带输送机TC-14
[0067] 用于二氧化硅和矿石存储/输出的1.6-1.10筒仓。
[0068] 首先装载晶粒尺寸达50mm并且水分含量为12 %的废料，废料具有与从坝上或者尾矿沉积物1.1收集时的相同条件的物料；将物料倒入到进料筒仓中，用于储存和输入物料或尾矿；然后由皮带输送机TC-Ol将物料输送到逆流干燥器2，所述逆流干燥器是一个配备有翅片的水平旋转干燥器，以抛投包含在物料或尾矿中的粘土、二氧化硅和矿石颗粒。为了改善粘土颗粒的抛投和去除，干燥器2的输出口包括由液化气(LPG)供料的具有逆气流系统的燃烧器。经过干燥工艺后得到的物料含水量为0-4%。
[0069] 干燥后，将物料传送到第一排气系统3，经过预先设置压力和流量，以便进行分离的第一步，随后穿过旋风分离器电池3.1和套筒型过滤器3.2，将得到粒径小于0.15mm的粘土、二氧化硅和矿石的颗粒；将二氧化硅和矿石传送到旋风分离器电池3.1，而粘土和矿石通过套筒过滤器3.2收集。在排气过程中获得的、粒径小于0.15mm的二氧化硅和矿石颗粒，和借助旋转阀和TH-Ol螺旋输送机从旋风分离器电池3.1卸载的二氧化硅和矿石颗粒，以及在排气过程中收集的粒径小于0.15mm的粘土颗粒，和通过旋转阀和TH-02螺旋输送机卸载到套筒过滤器3.2的粘土颗粒，将储存在筒仓1.2和筒仓1.3中用于供以后使用。
[0070] 粒径大于0.15mm并且没有被排气工艺捕获的粘土、二氧化硅和矿石颗粒，将在重力作用下导向至进料机4.1，用于通过水平旋转或振动筛4进行干式筛分，水平旋转或振动筛具有受控的速度、压力和流量；以及通过随后的旋转筛4.2和旋转筛4.3连续晶粒尺寸分离器；根据差异化的晶粒尺寸，将最终物料分类、分离并导向至筛选机4.4的5个输出口的其中一个；更具体地:
[0071] 粒径小于1.0mm ；
[0072] 粒径大于1.0mm并小于6.3mm ；
[0073] 粒径大于6.3謹。
[0074] 在筛分过程中，在预设压力和流量下，第一排气系统3将捕捉由筛选单元的排气扇4.5排出的新的物料或尾矿，然后所述物料或尾矿通过旋风分离器电池3.1和套筒过滤器3.2 ;这将导致粘土、二氧化和矿石的获取、输送和存储至筒仓1.2和筒仓1.3中。
[0075] 经过干燥和筛分后，晶粒尺寸小于1.0mm的物料将接受技术评估，以检查粘土含量，当具有高粘土浓度时，物料将通过皮带输送机TC-02传送到水平浓缩器5。根据筛选后得到的结果，晶粒尺寸小于1.0mm的物料可通过回转皮带输送机TCR-05传送到水平浓缩器，通过皮带输送机TC-03传送到垂直空气浓缩器。
[0076] 粒径大于1.0mm并小于6.3mm的筛分的物料，将被带到皮带输送机TC-06或皮带输送机TC-08进行磁选分离，以集中在包含于分离器8中的磁鼓和辊中。由筛分工艺得到的粒径大于6.3mm并小于9.0mm的物料将通过皮带输送机TC-09传送到的用于处理后的物料的存储区域1.4。
[0077] 在进料口 5.5处向水平浓缩器5提供来自皮带输送机TC-02的物料；也可以提供粒径达1.0mm的物料，并对包含在物料中的粘土、二氧化娃和矿石颗粒进行机械分离。水平浓缩器5配备有逆变器(此处未示出)的转鼓5.1，根据欲浓缩的物料来控制频率速度、内压力和梯度，并借助于15个翅片5.2和搅拌叶片5.3来提供机械摩擦，以实现悬浮和搅拌，这将会导致粘土的释放，所述粘土被困在离子化废料中并已在水平干燥器2中干燥，而且由第一排气系统中的排气扇5.4收集，所述第一排气系统由旋风分离器电池3.1和套筒型过滤器3.2组成。
[0078] 在水平浓缩工艺过程中，在预设压力和流量下，排气系统3将会收集新的物料或者尾矿，然后经由旋风分离器电池3.1和套筒过滤器3.2 ;这将导致粘土、二氧化硅和矿石的获取、输送和存储。
[0079] 由水平浓缩产出的所有物料将由皮带输送机TC-03传送到垂直空气浓缩器6，垂直空气浓缩器6包括双旋翼或单旋翼干式冲击磨；也可使用带有筛网的锤磨机，和/或球磨机或棒磨机，根据物料中矿石浓度和可调整它们的速度，还可控制排气。干式分离的实现是通过利用转子的速度产生离心力，以将粘土抛投通过第二排气系统7 ;旋风分离器7.1和套筒过滤器7.2。将来自水平浓缩器5的所有物料供给于垂直空气浓缩器，所述物料的粒径达到1.0mm,以便提取包含在物料或者尾矿中的粘土、二氧化硅和矿石。
[0080] 在垂直空气浓缩器6后，所有的物料都将经由第二排气过程7，这将导致得到粒径小于1.0mm的二氧化硅和矿石颗粒，所述颗粒将被传送到旋风分离器电池7.1中，而粘土颗粒将收集在套筒过滤器7.2中，并通过旋转阀门和TH-03螺旋输送机卸载到用于储存的筒仓1.5中。在排气过程7中捕获的二氧化娃和矿石粒子将经由旋风分离器电池7.1，旋风分离器电池7.1特定针对于不同类型的残留物；所述粒子将通过旋转阀门和TH-04螺旋输送机卸载，并通过皮带输送机TC-04传送到磁选机8。磁选机8的功能是分离得到的二氧化娃和矿石粒子，磁力分离器(即，磁选机)8是由大量的1500到21000G辊分离器和鼓组成，磁选机8根据先前阶段中粘土分离取得的结果而改变。
[0081] 经过磁选分离后，得到的二氧化硅和矿石粒子将通过五个皮带输送机进行传送，其中两个皮带输送机TC-12和皮带输送机TC-14用于输送二氧化硅，和三个磁性皮带输送机TCM-10，磁性皮带输送机TCM-1l和磁性皮带输送机TCM-13用于输送矿石并存储到特定的筒仓1.6-1.10中。
Claims (3)
1.一种通过干式浓缩提取粘土、二氧化硅和铁矿石的工艺，所述工艺利用来自选矿、大坝和矿物尾矿沉积物中的尾矿获得5-8%的粘土、30-45%的二氧化硅、35-50%的矿石的98%回收率；其特征在于:利用以顺序次序排成的设备部件，以使能够将物料从干燥器(2)传送到水平旋转筛(4)，以在分级器的支持下的干式密度分离，所述分级器配备有多达5个不同晶粒尺寸的斜槽(4.4)，然后物料被传送到水平浓缩器(5)，水平浓缩器(5)配备有翅片(5.2)和用于去除粘土的搅拌叶片(5.3)，翅片(5.2)和搅拌叶片(5.3)都与排气系统(3)相连，以提高在磁分离过程的性能；将来自水平浓缩器(5)的物料传送到垂直空气浓缩器(6)，以通过离心力干式分离，垂直空气浓缩器(6)与排气系统(7)相连接；然后，将已经处于提取后期阶段的物料传送到磁性分离器(8)，磁性分离器(8)配备有磁力高达21，000G的磁鼓和磁棍。
2.如权利要求1所述的工艺，其特征在于，所述第一阶段包括干燥、筛选、水平浓缩和垂直空气浓缩、磁性干燥浓缩，在所述第一阶段中，将粒子尺寸50mm且水分含量为12%的尾矿通过连接到皮带输送机TC-Ol的进料器(1.1)传送到水平旋转干燥器(2)，水平旋转干燥器(2)配备有翅片，以弹出粒子，水平旋转干燥器(2)的出口处配备有LPG气体供料燃烧器，所述LPG气体供料燃烧器具有设计用于降低物料中水分0-4%的逆流系统；所述物料经过预设压力和流量的第一排气系统(3);然后，将捕获的粒径小于0.15_的二氧化硅和矿石颗粒通过旋转阀门卸载到旋风分离器电池(3.1)，随后传送到螺旋输送机(TH-Ol)和存储筒仓(1.2);将捕获的粒径小于0.15mm的粘土颗粒通过旋转阀门从套筒过滤器(3.2)上卸载下来，并传送到螺旋输送机(TH-02)并从螺旋输送机(TH-02)传送到存储筒仓(1.3)；粒径大于0.15_且没有被排气过程(3)捕获的颗粒通过重力传送，用于干式筛选，将物料传送到振动筛板(这里未示出)的进料机(4.1)或者传送到水平(4)旋转筛网，所述旋转筛网具有控制的速度、压力和流量，通过振动筛板和旋转筛网，将物料进行分级并且通过后面的旋转筛板(4.2)进行分离，旋转筛板(4.2)具有(4.3)连续的晶粒尺寸分离器，然后将物料传送到5个输出口(4.4)中的一个或者筛箱，根据下列方式确定晶粒尺寸:小于1.0mm,大于1.0mm且小于6.3mm,和大于6.3mm ;在筛选过程中，在预设压力和流量条件下，排气系统⑶将收集晶粒尺寸大于0.15mm的新物料，将所述物料传送到旋风分离器电池(3.1)和套筒过滤器(3.2)，直至结束存储在筒仓(1.2和1.3)中；将粒径为大于1.0_，大于1.0mm但小于6.3mm和大于6.3mm的筛选后的物料传送到皮带输送机TC-06、皮带输送机TC-07、皮带输送机TC-08，然后导向至磁选机(8)，将粒径大于6.3但小于9.0mm的物料通过皮带输送机TC-09传送到存储筒仓(1.4);经过干燥和筛选后，将晶粒尺寸大于1.0mm且含有高浓度的粘土的物料通过皮带输送机TC-02传送到水平浓缩器(5)，以及能够传送到水平浓缩器(5)的回转皮带输送机TCR-05或者与连接到垂直空气浓缩器(6)的皮带输送机TC-03被供给经机械粉碎粘土、二氧化娃和矿石颗粒、粒径达到1.0mm的物料，来自水平浓缩器(5)的晶粒尺寸达到1.0mm的物料，通过皮带输送机TC-03传送到垂直空气浓缩器(6)，垂直空气浓缩器(6)包括一对转子或单个转子的干式冲击磨，能够使用可根据物料中矿石的浓度来调整速度和排放控制的带有筛子的锤磨机和/或球磨机或者棒磨机；干式浓缩的实现是通过使用转子速度产生的离心力，以将粘土抛投经过第二排气系统(7)并经过旋风离心机(7.1)和经过套筒过滤器(7.2);经过垂直空气浓缩器(6)后，所有的物料都将经由第二排气系统(7)，从而导致获得粒径小于1.0mm的硅和矿石颗粒，这些颗粒将被传送到旋风分离器电池(7.1)，晶粒尺寸达到0.3mm的粘土颗粒将通过套筒过滤器(7.2)收集，并通过旋转阀门和螺旋输送机(TH03)卸载到用于存储的筒仓(1.5)中；第二步的结果是通过磁选机(8)将二氧化硅从矿石中干式分离，优选地磁选机(8)具有从1，500G-21，000G范围内的鼓和磁辊，或者是用二氧化硅和矿石颗粒供料的旋转磁选机，所述二氧化硅和矿石颗粒直接来自于通过皮带输送机TC-06和皮带输送机TC-08筛分的或由排气过程(7)捕获的；所述颗粒将经过旋风分离器电池(7.1)并通过旋转阀门和螺旋输送机TH-04卸载，然后由皮带输送机TC-04输送；磁选机(8)包括1500-21000G的磁辊分离器和鼓，取决于先前阶段中粘土分离的结果；将二氧化硅和矿石的颗粒通过用于输送二氧化硅的皮带输送机TC-12和皮带输送机TC-14和用于输送矿石的磁性皮带输送机TCM-1O、磁性皮带输送机TCM-1I和磁性皮带输送机TCM-13存储在特定的筒仓(1.6-1.10)中。
3.如权利要求1或2所述的工艺，其特征在与，水平浓缩器(5)配备有旋转鼓(5.1)，旋转鼓(5.1)具有逆变器，控制频率速度、内部压力和梯度取决于要浓缩的物料；通过在皮带输送机TC-02的支持下的加料机(5.5)进行装载，利用翅片(5.2)和搅拌叶片(5.3)提供机械摩擦力，以实现悬浮和搅拌；这使得粘土通过尾矿的离子化释放出来，采用水平干燥机(2)干燥，通过第一排气系统(3)在排气扇(5.4)中收集，在预设压力和流量的条件下，第一排气系统(3)包括旋风分离器电池(3.1)和套筒过滤器(3.2)。
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| US8622251B2 (en) | 2011-12-21 | 2014-01-07 | John OREN | System of delivering and storing proppant for use at a well site and container for such proppant |
| US9340353B2 (en) | 2012-09-27 | 2016-05-17 | Oren Technologies, Llc | Methods and systems to transfer proppant for fracking with reduced risk of production and release of silica dust at a well site |
| US9809381B2 (en) | 2012-07-23 | 2017-11-07 | Oren Technologies, Llc | Apparatus for the transport and storage of proppant |
| US10464741B2 (en) | 2012-07-23 | 2019-11-05 | Oren Technologies, Llc | Proppant discharge system and a container for use in such a proppant discharge system |
| US20190135535A9 (en) | 2012-07-23 | 2019-05-09 | Oren Technologies, Llc | Cradle for proppant container having tapered box guides |
| US9718610B2 (en) | 2012-07-23 | 2017-08-01 | Oren Technologies, Llc | Proppant discharge system having a container and the process for providing proppant to a well site |
| USD688350S1 (en) | 2012-11-02 | 2013-08-20 | John OREN | Proppant vessel |
| USD688351S1 (en) | 2012-11-02 | 2013-08-20 | John OREN | Proppant vessel |
| US9446801B1 (en) | 2013-04-01 | 2016-09-20 | Oren Technologies, Llc | Trailer assembly for transport of containers of proppant material |
| USD688597S1 (en) | 2013-04-05 | 2013-08-27 | Joshua Oren | Trailer for proppant containers |
| EP3093598B1 (en) * | 2014-01-10 | 2021-02-03 | Tsukishima Kikai Co., Ltd. | Equipment for solid-liquid separation and drying of fine-powder slurry, and method therefor |
| US9421899B2 (en) | 2014-02-07 | 2016-08-23 | Oren Technologies, Llc | Trailer-mounted proppant delivery system |
| US9676554B2 (en) | 2014-09-15 | 2017-06-13 | Oren Technologies, Llc | System and method for delivering proppant to a blender |
| US9370780B2 (en) * | 2014-09-17 | 2016-06-21 | Shane T. Nolan | Scrap separation system and device |
| MX2018008283A (es) * | 2016-01-06 | 2019-05-13 | Oren Tech Llc | Transportador con sistema integrado de recoleccion de polvo. |
| US10518828B2 (en) | 2016-06-03 | 2019-12-31 | Oren Technologies, Llc | Trailer assembly for transport of containers of proppant material |
| CN108014872A (zh) * | 2017-11-17 | 2018-05-11 | 深圳润丰投资咨询有限公司 | 一种移动式饲料生产设备 |
| CN109304302A (zh) * | 2018-12-04 | 2019-02-05 | 新疆天喜生态农业科技开发有限公司 | 一种油用牡丹籽分选装置及其分选方法 |
| CN112892801A (zh) * | 2021-02-03 | 2021-06-04 | 孙以民 | 一种用于中药材捣碎处理的自动化装置 |
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