CN111362718A - 低密度高强度陶粒支撑剂的制备方法 - Google Patents
低密度高强度陶粒支撑剂的制备方法 Download PDFInfo
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Abstract
本发明涉及陶粒支撑剂领域,具体涉及一种低密度高强度陶粒支撑剂的制备方法,取原料备用,将上述原料原料进厂后先进行鄂式破碎,再进行球破粉碎;对原料粗颗粒进行细粉碎及分级处理后进入球仓;各种原料按品种分别堆放,并进行检测;将所需主料、辅料按照配方比例经过自动配料系统进行配料预混合后,再进入强制混合及加湿混合;加湿混合后的细粉原料进入对辊挤压机挤压两遍后进入解聚机进行解聚;经过拌均匀的各种细粉原料,加入成球机进行成球,在成球机不断进行圆周旋转运动的同时,由高效喷水装置向志球机内喷出雾状水珠形成半成品陶粒砂;本发明配比合理,工艺简单,陶粒支撑剂耐高温、高压,强度高、耐腐蚀性强。
Description
技术领域
本发明涉及陶粒支撑剂领域,具体涉及一种低密度高强度陶粒支撑剂的制备方法。
背景技术
我国陶粒砂主要用于石油支撑剂,也是目前需求量最大的陶粒砂品种之一,也叫石油压裂支撑剂陶粒砂。石油天然气深井开采时,高闭合压力低渗透性矿床经压裂处理后,使含油气岩层裂开,油气从裂缝形成的通道中汇集而出。用高铝支撑材料随同高度压溶液进入地层充填在岩层裂隙中,起到支撑裂隙不因应力释放而闭合的作用,从而保持高导流能力,知使油气畅通,增加产量。实践证明,使用高铝支撑剂压裂的油井可提高产量30-50%,还能延长油气井服务年限,是石油、天然气低渗透油气井开采、施工的关键材料。产品应用于深井压裂施工时,将其填充到低渗透矿床的岩层裂隙中道,进行高闭合压裂处理,使含油气岩层裂开,起到支撑裂隙不因应力释放而闭合,从而保持油气的高导流能力,不但能增加油气产量,而且回更能延长油气井服务年限。现有的陶粒支撑剂耐高温、高压、强度高及耐腐蚀性等有待进一步提高,如何从生产工艺着手进一步提高陶粒支撑剂的品质就显得格外重要。
发明内容
为解决现有技术的问题,本发明提供了一种低密度高强度陶粒支撑剂的制备方法。
为了达到上述目的,本发明采用以下技术方案:一种低密度高强度陶粒支撑剂的制备方法,包括如下步骤
取如下重量份的原料备用:铝钒土60-75份、锰矿5-8份、氧化镁冰晶石3-5份、白云石2-4份、粘土10-15份、氧化铝尾矿5-15份、钾长石1-2份、分散剂0.5-0.8份、膨润土0.1-0.15份、碎玻璃3-6份、方解石粉0-3份、明矾0.1-0.5份、沉淀碳酸钡2-8份;
将上述原料原料进厂后先进行鄂式破碎,再进行球破粉碎;
对原料粗颗粒进行细粉碎及分级处理后进入球仓;
各种原料按品种分别堆放,并进行检测;
将所需主料、辅料按照配方比例经过自动配料系统进行配料预混合后,再进入强制混合及加湿混合;
加湿混合后的细粉原料进入对辊挤压机挤压两遍后进入解聚机进行解聚;
经过拌均匀的各种细粉原料,加入成球机进行成球,在成球机不断进行圆周旋转运动的同时,由高效喷水装置向志球机内喷出雾状水珠形成半成品陶粒砂;
半成品陶粒砂含水量控制在12%左右;
将半成品陶粒砂输送至复合筛分机进行筛选;筛分采用国产回转筛或复合筛;
筛后的陶粒砂半成品输送至烘干回转窑;
半成品陶粒砂进入回转窑内进行烧成,在进窑前,利用尾气中的余热,在200至300℃的低温下对半成品陶粒砂进行干燥;
烧成后的陶粒砂由烧成窑出料后直接进入回转冷却窑内进行冷却;
成品陶粒砂经冷却后进入筛分进行分级筛选;
筛网分选后,根据不同粒径进行装袋、计量后入成品库;
此时已筛分好的成品可以包装、编号入库。
取如下重量份的原料备用:铝钒土60份、锰矿5份、氧化镁冰晶石3份、白云石2份、粘土10份、氧化铝尾矿5份、钾长石1份、分散剂0.5份、膨润土0.1份、碎玻璃3份、明矾0.1份、沉淀碳酸钡2份。
取如下重量份的原料备用:铝钒土70份、锰矿7份、氧化镁冰晶石4份、白云石3份、粘土12份、氧化铝尾矿10份、钾长石1.5份、分散剂0.7份、膨润土0.12份、碎玻璃5份、方解石粉2份、明矾0.4份、沉淀碳酸钡6份。
取如下重量份的原料备用:铝钒土75份、锰矿8份、氧化镁冰晶石5份、白云石4份、粘土15份、氧化铝尾矿15份、钾长石2份、分散剂0.8份、膨润土0.15份、碎玻璃6份、方解石粉3份、明矾0.5份、沉淀碳酸钡8份。
与现有技术相比,发明的有益效果是:本发明配比合理,工艺简单,陶粒支撑剂耐高温、高压,强度高、耐腐蚀性强。
具体实施方式
下面通过实施例对本发明做进一步详细说明,实施例仅用来说明本发明,并不限制本发明的范围。
实施例1:一种低密度高强度陶粒支撑剂的制备方法,包括如下步骤:
取如下重量份的原料备用:铝钒土60份、锰矿5份、氧化镁冰晶石3份、白云石2份、粘土10份、氧化铝尾矿5份、钾长石1份、分散剂0.5份、膨润土0.1份、碎玻璃3份、明矾0.1份、沉淀碳酸钡2份;锰矿提高样品的抗破碎能力
将上述原料原料进厂后先进行鄂式破碎,再进行球破粉碎;
对原料粗颗粒进行细粉碎及分级处理后进入球仓;
各种原料按品种分别堆放,并进行检测;
将所需主料、辅料按照配方比例经过自动配料系统进行配料预混合后,再进入强制混合及加湿混合;
加湿混合后的细粉原料进入对辊挤压机挤压两遍后进入解聚机进行解聚;
经过拌均匀的各种细粉原料,加入成球机进行成球,在成球机不断进行圆周旋转运动的同时,由高效喷水装置向志球机内喷出雾状水珠形成半成品陶粒砂;
一般半成品陶粒砂含水量控制在12%左右,成球时要控制成球时间的过长或过短,同时要调节好喷水装置喷雾状况,防止水滴形成,从而生产大颗粒。
将半成品陶粒砂输送至复合筛分机进行筛选;筛分采用国产回转筛或复合筛;
可根据不同的用户的不同粒径要求,用更换筛网来实现,合格的陶粒砂送至半成库中备用,筛下大的颗粒送至粉碎机进行粉碎。
筛后的陶粒砂半成品输送至烘干回转窑;
充分利用回转烧成窑的余热来进行烘干,通过回转烘干窑对半成品陶粒砂进行烘干;达到了合理利用资源的目的。
半成品陶粒砂进入回转窑内进行烧成,在进窑前,利用尾气中的余热,在200至300℃的低温下对半成品陶粒砂进行干燥;从而提高陶粒砂的成品率,采用天然气烧结方法,提高了热效率,大大减少能源消耗和环境污染。
烧成后的陶粒砂由烧成窑出料后直接进入回转冷却窑内进行冷却;
成品陶粒砂经冷却后进入筛分进行分级筛选;采用国产滚简筛,
筛网分选后,根据不同粒径进行装袋、计量后入成品库;
此时已筛分好的成品可以包装、编号入库。
实施例2:一种低密度高强度陶粒支撑剂的制备方法,包括如下步骤:
取如下重量份的原料备用:铝钒土70份、锰矿7份、氧化镁冰晶石4份、白云石3份、粘土12份、氧化铝尾矿10份、钾长石1.5份、分散剂0.7份、膨润土0.12份、碎玻璃5份、方解石粉2份、明矾0.4份、沉淀碳酸钡6份;锰矿提高样品的抗破碎能力
将上述原料原料进厂后先进行鄂式破碎,再进行球破粉碎;
对原料粗颗粒进行细粉碎及分级处理后进入球仓;
各种原料按品种分别堆放,并进行检测;
将所需主料、辅料按照配方比例经过自动配料系统进行配料预混合后,再进入强制混合及加湿混合;
加湿混合后的细粉原料进入对辊挤压机挤压两遍后进入解聚机进行解聚;
经过拌均匀的各种细粉原料,加入成球机进行成球,在成球机不断进行圆周旋转运动的同时,由高效喷水装置向志球机内喷出雾状水珠形成半成品陶粒砂;
一般半成品陶粒砂含水量控制在12%左右,成球时要控制成球时间的过长或过短,同时要调节好喷水装置喷雾状况,防止水滴形成,从而生产大颗粒。
将半成品陶粒砂输送至复合筛分机进行筛选;筛分采用国产回转筛或复合筛;
可根据不同的用户的不同粒径要求,用更换筛网来实现,合格的陶粒砂送至半成库中备用,筛下大的颗粒送至粉碎机进行粉碎。
筛后的陶粒砂半成品输送至烘干回转窑;
充分利用回转烧成窑的余热来进行烘干,通过回转烘干窑对半成品陶粒砂进行烘干;达到了合理利用资源的目的。
半成品陶粒砂进入回转窑内进行烧成,在进窑前,利用尾气中的余热,在200至300℃的低温下对半成品陶粒砂进行干燥;从而提高陶粒砂的成品率,采用天然气烧结方法,提高了热效率,大大减少能源消耗和环境污染。
烧成后的陶粒砂由烧成窑出料后直接进入回转冷却窑内进行冷却;
成品陶粒砂经冷却后进入筛分进行分级筛选;采用国产滚简筛,
筛网分选后,根据不同粒径进行装袋、计量后入成品库;
此时已筛分好的成品可以包装、编号入库。
实施例3:一种低密度高强度陶粒支撑剂的制备方法,包括如下步骤:取如下重量份的原料备用:铝钒土75份、锰矿8份、氧化镁冰晶石5份、白云石4份、粘土15份、氧化铝尾矿15份、钾长石2份、分散剂0.8份、膨润土0.15份、碎玻璃6份、方解石粉3份、明矾0.5份、沉淀碳酸钡8份;锰矿提高样品的抗破碎能力
将上述原料原料进厂后先进行鄂式破碎,再进行球破粉碎;
对原料粗颗粒进行细粉碎及分级处理后进入球仓;
各种原料按品种分别堆放,并进行检测;
将所需主料、辅料按照配方比例经过自动配料系统进行配料预混合后,再进入强制混合及加湿混合;
加湿混合后的细粉原料进入对辊挤压机挤压两遍后进入解聚机进行解聚;
经过拌均匀的各种细粉原料,加入成球机进行成球,在成球机不断进行圆周旋转运动的同时,由高效喷水装置向志球机内喷出雾状水珠形成半成品陶粒砂;
一般半成品陶粒砂含水量控制在12%左右,成球时要控制成球时间的过长或过短,同时要调节好喷水装置喷雾状况,防止水滴形成,从而生产大颗粒。
将半成品陶粒砂输送至复合筛分机进行筛选;筛分采用国产回转筛或复合筛;
可根据不同的用户的不同粒径要求,用更换筛网来实现,合格的陶粒砂送至半成库中备用,筛下大的颗粒送至粉碎机进行粉碎。
筛后的陶粒砂半成品输送至烘干回转窑;
充分利用回转烧成窑的余热来进行烘干,通过回转烘干窑对半成品陶粒砂进行烘干;达到了合理利用资源的目的。
半成品陶粒砂进入回转窑内进行烧成,在进窑前,利用尾气中的余热,在200至300℃的低温下对半成品陶粒砂进行干燥;从而提高陶粒砂的成品率,采用天然气烧结方法,提高了热效率,大大减少能源消耗和环境污染。
烧成后的陶粒砂由烧成窑出料后直接进入回转冷却窑内进行冷却;
成品陶粒砂经冷却后进入筛分进行分级筛选;采用国产滚简筛,
筛网分选后,根据不同粒径进行装袋、计量后入成品库;
此时已筛分好的成品可以包装、编号入库。
以上所述,仅是本发明的较佳实施例而已,并非是对本发明作其它形式的限制,任何熟悉本专业的技术人员可能利用上述揭示的技术内容加以变更或改型为等同变化的等效实施例。但是凡是未脱离本发明技术方案内容,依据本发明的技术实质对以上实施例所作的任何简单修改、等同变化与改型,仍属于本发明技术方案的保护范围。
Claims (4)
1.一种低密度高强度陶粒支撑剂的制备方法,其特征在于,包括如下步骤:
取如下重量份的原料备用:铝钒土60-75份、锰矿5-8份、氧化镁冰晶石3-5份、白云石2-4份、粘土10-15份、氧化铝尾矿5-15份、钾长石1-2份、分散剂0.5-0.8份、膨润土0.1-0.15份、碎玻璃3-6份、方解石粉0-3份、明矾0.1-0.5份、沉淀碳酸钡2-8份;
将上述原料原料进厂后先进行鄂式破碎,再进行球破粉碎;
对原料粗颗粒进行细粉碎及分级处理后进入球仓;
各种原料按品种分别堆放,并进行检测;
将所需主料、辅料按照配方比例经过自动配料系统进行配料预混合后,再进入强制混合及加湿混合;
加湿混合后的细粉原料进入对辊挤压机挤压两遍后进入解聚机进行解聚;
经过拌均匀的各种细粉原料,加入成球机进行成球,在成球机不断进行圆周旋转运动的同时,由高效喷水装置向志球机内喷出雾状水珠形成半成品陶粒砂;
半成品陶粒砂含水量控制在12%左右;
将半成品陶粒砂输送至复合筛分机进行筛选;筛分采用国产回转筛或复合筛;
筛后的陶粒砂半成品输送至烘干回转窑;
半成品陶粒砂进入回转窑内进行烧成,在进窑前,利用尾气中的余热,在200至300℃的低温下对半成品陶粒砂进行干燥;
烧成后的陶粒砂由烧成窑出料后直接进入回转冷却窑内进行冷却;
成品陶粒砂经冷却后进入筛分进行分级筛选;
筛网分选后,根据不同粒径进行装袋、计量后入成品库;
此时已筛分好的成品可以包装、编号入库。
2.根据权利要求1所述的低密度高强度陶粒支撑剂的制备方法,其特征在于:取如下重量份的原料备用:铝钒土60份、锰矿5份、氧化镁冰晶石3份、白云石2份、粘土10份、氧化铝尾矿5份、钾长石1份、分散剂0.5份、膨润土0.1份、碎玻璃3份、明矾0.1份、沉淀碳酸钡2份。
3.根据权利要求1所述的低密度高强度陶粒支撑剂的制备方法,其特征在于:取如下重量份的原料备用:铝钒土70份、锰矿7份、氧化镁冰晶石4份、白云石3份、粘土12份、氧化铝尾矿10份、钾长石1.5份、分散剂0.7份、膨润土0.12份、碎玻璃5份、方解石粉2份、明矾0.4份、沉淀碳酸钡6份。
4.根据权利要求1所述的低密度高强度陶粒支撑剂的制备方法,其特征在于:取如下重量份的原料备用:铝钒土75份、锰矿8份、氧化镁冰晶石5份、白云石4份、粘土15份、氧化铝尾矿15份、钾长石2份、分散剂0.8份、膨润土0.15份、碎玻璃6份、方解石粉3份、明矾0.5份、沉淀碳酸钡8份。
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CN115463948A (zh) * | 2022-11-02 | 2022-12-13 | 亚威腾(天津)科技合伙企业(有限合伙) | 一种基于尾矿利用的石油压裂支撑剂生产方法及生产装置 |
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