压力喷嘴 meaning in English
deluge nozzle
pressure jet apparatus
pressure nozzle
Examples
- The machine can press liquid material into centrifugal nozzle to spray micro fog drops that will drying in the tower relaying on convective flow with hot air
本机是将料液压入压力喷嘴雾化成微小雾滴，在塔内与热风以对流的方式完成干燥，获得颗粒产品。 - ( 4 ) the droplets diameter of the combined spin - flow pressure spray drying are between 30um and 150um and the ranges of the droplets are narrow . the average diameter of the droplets is between 50 um and 100 um and the spraying angle can be adjusted from 30 to 180
( 4 )采用旋流式组合压力喷嘴雾化后的液滴直径大都分布在30 150um之间，雾滴分布范围较窄，其雾化的平均液滴直径在50 100um左右，压力喷嘴的雾化角度可在150 180范围内。 - ( 2 ) base on the analysis of the atomizing principles of spray nozzle , mathematical model of combined spin - flow pressure spray drying was set up and the essential parameters such as spraying pressure , liquid quantity , temperature , spraying angle , inject distance , particle diameter and distribution , hollow diameter for several materials in normal conditions by experiment and ldv
( 2 )对旋流式组合压力喷嘴喷射雾化机理加以分析，建立了旋流式喷嘴雾化的数学模型，采用冷态试验法并借助激光雾滴测试等实验装置对喷嘴的雾化参数(如雾化压力、喷液量、料液温度、雾化角、雾距、雾滴直径和分布以及喷嘴的空芯半径等)进行测量和计算。 - The dehydration time is square of the droplets diameter so the small diameters of the droplets can cut down the drying time then reduce the height of the drying chamber . to the combined spin - flow pressure spray drying , the diameters of droplets are small and the dehydration rate is higher so keeping the qualities of the dried products we can increase the speed of the inlet wind and reduce the temperature of the outlet wind thus can improve the evaporation intensity of the drying chamber and the average energy utilization of the drying equipment
因雾滴的脱水时间与其直径的平方成正比，减小液滴直径有利于缩短干燥脱水时间，可有效降低干燥塔的高度；由于旋流式组合压力喷嘴雾化滴径的减小，脱水速度明显加快，在不影响干燥物料性质的前提下，适当提高进风温度，同时有效地降低排气温度，有利于提高干燥塔的蒸发强度，也有利于提高干燥设备的平均能源利用率。 - In this dissertation , the author summed up the muti - technique in fluid dynamics , heat and mass transferring , mechanical designing and computational technique and studied the conventional pressure spray dryers with different air disperse structure and outlet equipment , at last put forward the theme i . e . the study on combined spin - flow pressure spray drying technology , the main contents were as follows : ( 1 ) the combined spin - flow pressure nozzle was designed whose novel structure has no report at present , and the structural designing parameters were obtained through analyzing the physical characteristic of materials and distribution of particles
本文总结了国内外在压力喷雾干燥装置的研究应用状况，并分析了现有喷雾干燥装置设计方面的优缺点，运用流体力学、空气动力学、传热传质学、机械设计和计算机技术等多学科知识，综合研究了传统压力喷雾干燥系统的单喷嘴雾化装置在并流、逆流以及混流干燥中的应用和喷雾干燥塔的不同布风装置以及出风装置的设置情况等，提出了新型旋流式组合压力喷雾干燥技术并对此进行了研究，其主要内容包括： ( 1 )本文创造性地设计出旋流式组合压力喷嘴的基本结构，并通过对料液的物化特性研究分析以及颗粒度的分布要求，给出了喷嘴的不同结构设计参数。