喷射器

The influence of several parameters including injection rate of nozzle exit, the ratio of length between nozzle and inner gular tube, the ratio of length between gular tube and it's inner diameter and back pressure on the performance of gas solid injector is analyzed.

分析了喷嘴出口射流速度、喉嘴距、混合管段尺寸及背压等参数对气固喷射器性能的影响，结果表明：存在最佳的喷嘴出口射流速度、喉嘴距以及喉管长与其内径之比使得固气比达到最大值；而背压的增加则不利于提高喷射器性

Description :The Hecate Flamethrower has a quicker fuel ignition.

描述："赫卡特"火焰喷射器有着更快速的燃烧喷射。

The structure and principle of hydraulic injector which was key equipment of vacuum system for evaporation in chlor - alkali production was introduced. Process of calculation for design and size of each components of hydraulic injector were described in detail.

龙荣介绍了氯碱生产中蒸发装置真空系统的关键设备一水力喷射器的结构及原理，对水力喷射器的设计计算过程、各部件尺寸都作了详尽的描述，就设计过程中的两点不足作了改进。

It has been found that the ratio of compression is more notable than the pressure of jetting steam on injection coefficient.

计算说明压缩比的影响比工作蒸汽压力的影响更为显着，采用两级喷射器串联力式虽然可使单级的喷射系数提高，但系统总的喷射系数并不一定提高。

After analyzing the properties of the crude volatilizing gas in overhead tank and the requirements of its recovery method,an effective way of recovering by natural gas through the matched multistage ejectors is proposed and in combination with the experimental results of two sets of systems under multiple operating mode,some main points of design and mana...

在分析了高架罐原油挥发气的性能特点及其回收方法的要求以后，提出了通过匹配式多级喷射器利用天然气进行回收的有效途径，并结合两套系统多种工况下的试验结果，给出了以方便工程应用为准则的匹配式多级喷射器的设计管理要领：全压缩比的分配，两级时，第一级约为第二级的 1.4倍；三级时，第一、二级应分别为第三级的 1.8倍和 1.3倍左右；设计点要选择在工作气体参数范围的下限或下限附近；整套系统串联的级数以 2～ 3级较为合适，一般不应超过 4级；在高架罐的耐压范围内，原油挥发气的压力越高对回收越有利

In the thesis, a mathematical simulation model is developed to describe the low-temperature multi-effect distillation configuration, including the low temperature multi-effect distiller, the preheater, the condenser, the flashing box and the thermal vapor compress, which considers the boiling point elevation and the temperature losses in the demister and vapor transmission lines.

本文建立了描述低温多效蒸馏海水淡化系统，包括的蒸发器、预热器、冷凝器、闪蒸罐和喷射器的热力过程数学模型，模型考虑了盐水沸点升高、蒸汽在除沫器和管道中流动因摩擦引起的温差损失在内的多种热力学损失。

Firstly, the history of ejectors development was introduced, and the formula of ejectors working performance was given and the calculated result was analyzed.

固定结构喷射器的设计是选择在一个给定的工作状态下完成，一经制成就不能改变，喷射器只有在设计状态下工作才能达到最大的效率。

The limited operating range of ejector restricts application on industries. Therefore, the research on ejectors is important to industry energy-saving and environment-protecting.

喷射器工作范围狭窄制约了其在工业中的进一步应用，因此，开展对喷射器机理的研究对于工业节能环保有重要意义。

Up to now there are a few articles published whether domestically or internationally on the investigation of small-scale ejectors, which are to be used in solar steam jet refrigeration systems. The results of this study have provided something new of the basic knowledge for the optimal design of such sort of ejectors.

目前，国内外对应用于太阳能蒸汽喷射式制冷系统中的微小型喷射器的研究很少，本文所做的工作为以后同类喷射器的设计和优化提供了一定的依据，对改进微小型喷射器的性能、提高喷射器的效率具有一定的指导性。

2 The provisions of valve flap stent thrust nut in space; 4.3 will bring more than ejector stem components, and into the valve flap bracket, now can adjust screw ring on the injector; adjustment ring discharge pipe may be twisted too high in case of this case, when the valve assembly after the valve flap in contact with its seat before the valve flap seat will have an additional load on the adjustment ring edge, in order to avoid this from happening, should enable the adjustment ring hole just below the injector thread, through which holes should not be able to see thread.

4.2 规定阀瓣支架与止推螺母中的间隙； 4.3 将喷射器提起超过阀杆组件，并放到阀瓣支架上，现在可以把调节环拧在喷射器上；调节环可能在排放管上拧得太高，如遇此情况，当阀门组装后，在阀瓣与其座相接触前，阀瓣座将加载荷于调节环的边上，为了避免此情况的发生，应使调节环上的孔正好低于喷射器的螺纹，通过这些孔应不能看到螺纹。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。