2) continuous sand washing
连续冲砂
1.
Development and application of reversing continuous sand washing device inside the casing;
套管内换向连续冲砂装置的研制与应用
2.
A continuous sand washing apparatus and sand control unit are used in operation, by which stack accidents can be effectively avoided, the pollution in sand washing operation is solved and sand washing efficiency is raised.
在施工过程中通过采用连续冲砂装置及冲砂液除砂装置,可有效地避免卡井事故的发生,解决了冲砂作业的污染问题,并提高了冲砂效率。
3.
The disadvantage using coiled tubing for continuous sand washing in the multilateral horizontal wells is that the diameter of coiled tubing is small,borehole size is big,the return speed of sand washing liquid is low while washing sand,and it is not easy to sand out to the ground.
采用连续油管对分支水平井进行连续冲砂的缺点是连续油管直径小,井眼尺寸大,正冲砂时洗井液上返速度低,不易把砂子带出地面。
3) Continuous Sand Filtration
连续砂滤
1.
Studies on the Experiment of Continuous Sand Filtrationof External Circulation
外循环连续砂滤器试验研究
4) continuous sand mill
连续混砂机
5) continuous extrusion
连续挤出
1.
In this paper,some manufacture methods of microcellular foam plastics including the polymerization of monomers,phase separation,percipitation with a compressed fluid antisolvent,batch microcellular foaming,continuous extrusion,injection molding are introduced respectively.
介绍了微孔塑料的几种制备方法,包括单体聚合法、(热引导)相分离法、压缩流体反溶剂沉淀法、间歇成型法、连续挤出法和注射成型法,分析并比较了各种制备方法的特点及应用,展望了微孔塑料光明的发展前景。
2.
Punching plunger extrusion is a novel continuous extrusion molding technology, which provided higher processing capacity, better appearance and quality of the extrudate, compared with single-screw extrusion.
超高相对分子质量聚乙烯(PE-UHMW)管材连续挤出成型法有压制-烧结、柱塞推压、单螺杆挤出、双螺杆挤出和柱塞冲压挤出等几种,其中柱塞冲压挤出成型法是新开发的一种PE-UHMW管材连续挤出成型技术,该技术的突出优点表现在:能加工任意相对分子质量的PE-UHMW树脂,加工能力强;能实现连续挤出,生产效率不低于单螺杆挤出法,而制品的表面质量、力学性能(如耐磨性)则优于单螺杆挤出法;完全正位移输送机理,温度控制简单可靠(控温段只有三个),因此加工过程中的降解程度较小,能很好地保持原料固有的优良性能;主机结构简单,能耗低 (约为螺杆挤出法的30%-50%),生产线造价便宜。
3.
The influencing factors and technical problems of continuous extrusion of microcellular plastic foams are explained.
阐述了塑料微孔发泡连续挤出成型中的众多技术难点和影响因素。
6) contineous discharge
连续出料
1.
The Key to handle defects existing in the production of melamine under normal pressure in batches,lies in causing contineous discharge of products from the collector.
要使间歇式生产变为连续生产,关键是解决连续出料问题。
补充资料:冲砂液
分子式:
CAS号:
性质:又称冲砂液,冲洗液。用来冲洗井壁,清除井内沉渣或淤砂的流体。一般由表面活性剂及溶剂组成,并添加增黏剂和降滤失剂以调整其性能。
CAS号:
性质:又称冲砂液,冲洗液。用来冲洗井壁,清除井内沉渣或淤砂的流体。一般由表面活性剂及溶剂组成,并添加增黏剂和降滤失剂以调整其性能。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条