螺旋喷嘴

采用了三重环状螺旋喷嘴，使气、液接触效率提高；

Triple circular spiral nozzles to increase the efficiency of gas and liquid contact ;

选择实心锥喷嘴和螺旋喷嘴进行对比试验，系统地研究了旋流喷嘴的雾化粒径变化规律和雾化粒度分布规律。

A comparison test of selected solid cone nozzles with spiral nozzles has been carried out , the variation rule of atomized particle size and distribution rule of atomized particles for swirl nozzles being systematically studied .

得到了以下结论：1.喷淋冷态试验结果表明，试验所用螺旋喷嘴适用于快速热裂解中喷淋塔内的雾化喷淋，满足其喷淋介质的雾化要求。

According to the experimental results , we drew some conclusions as followings . 1 . The results of spraying cold test showed that the spiral nozzles used in the test were suitable for spray tower in fast pyrolysis and met the need of spray medium .

在雾化粒径为（1300～3000）μm时3种喷嘴相比，螺旋喷嘴能耗最低，而旋流喷嘴的雾化质量较好。

When atomized particle size to be ( 1 300 ~ 3 300 )μ m , it was found from comparison of three kinds of nozzles that the energy consumption of spiral nozzle to be the lowest , but the atomized quality of swirl nozzle to be better .

螺旋型喷嘴雾化及流量特性实验

Experimental Research on Spray and Flow Rate Characteristics of Spiral Nozzle

压力式螺旋型喷嘴雾化特性实验研究

An Experimental Study of Pressure-type Spiral Nozzle Atomization Characteristics

掘进机内喷雾系统及三层螺旋式喷嘴的设计与应用

In Roadheader spray system and three screw type spray nozzle design and application

螺旋型喷嘴雾滴分布特性实验研究

Experimental research on droplet distribution characteristics of spiral nozzles

螺旋型喷嘴液滴分布特性及液滴直径经验公式的拟合

Distribution of droplet diameters and the spline of their empirical equation for spiral nozzle

给出了螺旋圆锥喷嘴计算实例，并在自行开发的雾化试验台进行试验验证，为螺旋圆锥喷嘴的优化打下了基础。

A design case was studied and examined in the spray test-bed developed ourselves , which grounded the optimization of the spiral cone nozzle .

螺旋型喷嘴是压力式的一种，能提供细密的液雾，用途比较广泛。

A kind of pressure type nozzles , the spiral nozzles can provide a fine and dense liquid mist and have found relatively widespread applications .

模拟结果表明，螺旋形喷嘴的熔喷流场具有旋转特点，气流的速度和温度在靠近喷嘴处取得最大值，然后快速衰减，最终发散到周围大气环境中。

The simulation results prove that the flow field of swirl nozzle is rotational and airflow velocity and temperature get its maximum in the area near the swirl nozzle , and then both velocity field and temperature field decay quickly into the around air environment .

结果表明，回归的经验公式具有比较好的相关性，可以通过它们预测喷嘴出口粒子的直径，并为螺旋型喷嘴的设计及应用提供理论依据。

The results show that the empirical formula thus regressed is characterized by a comparatively good correlation . Through the formula one can predict the diameters of particles at the nozzle outlet , thus providing a theoretical basis for the design and application of spiral type nozzles .