The experimental results show that the total desanding efficiency of the improved cyclone desander is 91%.
试验证明，改进后的旋流除砂器的总除砂效率达到91%。
Heavy oil is very viscous, range of size distribution of sand is wide, which are technical problems of desanding process.
稠油粘度大，含砂粒粒径分布范围广，成为除砂工艺中的技术难点。
Mud mixing and shearing operations, desanding and desilting, degassing, supercharging, centrifugal feed, mud cooling towers, wash down.
泥浆搅拌及剪切、清砂及清淤、排气、增压、离心进给、泥浆冷却塔、冲洗。
Presently, there are two methods of desanding of heavy oil at home and abroad, i. e. gravitational settling desanding and hydrocyclone desanding.
目前国内外解决稠油除砂的方法主要有两种：即重力沉降除砂和旋流除砂。
The equipment is an integrated pulp processing equipment , which collects fiber relief , purification desanding to one machine so that it can save energy .
该机是一种综合性浆料处理设备，集纤维疏解、除杂、净化为一体，节能商效。
A filter sand riddle is installed in the head desanding tube and in each desanding tube in the middle, and a magnet is installed in the end desanding tube.
首节及中间各节除砂管内装有滤砂筛，末节除管内装有磁铁。
The equipment is an integrated pulp processing equipment, which collects fiber relief, purification and desanding to one machine so that it can save energy.
该机是一种综合性浆料处理设备，集纤维疏解、除杂、净化为一体，节能高效。
At present, the main way of hydrocyclone desanding is static hydrocyclone, which is a main separation method of solid-fluid or fluid-fluid in oilfields at home and abroad.
对于旋流除砂的方法目前应用的主要是静态水力旋流器，也是目前国内外各大油田主要使用的一种固-液或液-液分离方法。
According to different conditions, the Yaozijiang hydropower station diversion pivot designing USES engineering countermeasure, such as desanding trap, desilting sluice, etc.
全州县鹞子江电站引水枢纽设计，根据不同条件，采取沉沙槽、冲沙闸等工程措施来解决渠道淤积问题。
Generally desanding of large tank adopts manual desanding that requires personnel to enter the tank after shutdown, with high work burden, severe environment, long shutdown time and low efficiency.
大型储罐内的清砂一般采用停产后人工进罐清除法，工作强度大，环境恶劣，停产时间长，收效低。
Generally desanding of large tank adopts manual desanding that requires personnel to enter the tank after shutdown, with high work burden, severe environment, long shutdown time and low efficiency.
大型储罐内的清砂一般采用停产后人工进罐清除法，工作强度大，环境恶劣，停产时间长，收效低。
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