原文：
            疏水阀是根据介质压力、排量、背压等很多因素来选择最适合的产品，对疏水阀而言一定要选对的，而不是选贵的。疏水阀是一种节能的阀门产品，呼吸阀因此选对一种疏水阀，尤其是优质的疏水阀所带来的节约能源和提高生产效益的资金将是购买疏水阀所要投入的几十倍。这里将对不同介质的管道，对疏水阀的选型做一个分析，但具体选用哪种型号和口径的疏水阀，则要视具体的参数计算而定。 对于疏水阀的选型，要求灵敏度高，准确无误地阻汽排水，针型阀不泄漏蒸汽，能提高蒸汽利用率，工作性能可靠，背压率高、使用寿命长、维修方便是首选的条件。

     1.在生产工艺的换热设备，烘干室，快速热交换器，蒸馏设备等需要快速升温，不允许存有凝结水的生产加热设备，应该选用机械型疏水阀。 机械型疏水阀不受工作温度和压力变化的影响，调节阀有水即排，过冷度小，加热设备里不存水，能使加热设备达到最佳工作温度。其中自由浮球式蒸汽疏水阀的结构最先进，非常灵敏，最小过冷度0°C，能排饱和温度凝结水，无蒸汽泄漏，优点最多，能使加热设备达到最佳工作效率。是生产工艺加热设备最理想的疏水阀。

    2.在蒸汽管道，伴热管线、小型加热设备，采暖设备，温度要求不高的用汽设备，应该选用热静力型疏水阀。 热静力型疏水阀过冷度大，排凝结水温度低，锻钢阀门可以充分利用高温凝结水的显热，节能效果好。其中膜盒式蒸汽疏水阀的结构最先进，无需人工调整，非常灵敏，最大过冷度有15℃和30℃的两种膜盒供选型，不怕冻，体积小，任意位置都可安装，在管道上能检修和更换阀芯，节省资金和劳力，使用寿命长，适用范围很广，是热静力型疏水阀的精品。

    3.在高温高压过热蒸汽管线和设备上，减压阀应该选用过热蒸汽专用疏水阀。 过热蒸汽疏水阀能在高温、高压、小负荷的恶劣工况下分离出过热蒸汽消失时产生的高温凝结水。其中圆盘式蒸汽保温型疏水阀利用管道蒸汽对疏水阀的主汽室进行保温，结构先进，在没有凝结水的情况下，疏水阀紧紧关闭，工作质量高，使用寿命长，是高压过热蒸汽专用疏水阀。

“ Selection of steam trap ”是由中国疏水阀网提供的国际阀门新闻，译文仅供参考。另外，中国疏水阀网还提供相关产品搜索： 钟形浮子式疏水阀、 圆盘式疏水阀、 热静力式疏水阀、 热动力式疏水阀、 更多疏水阀产品等。

译文：
         Traps are based on media pressure, displacement, back pressure, and many other factors to select the most suitable product, in terms of the trap must be picked, not elected expensive. Traps are an energy efficient valve products, so the election of a trap, especially in high-quality trap brought energy and improving the production efficiency of the funds Balance Valveswill buy the traps several times to be invested. Here will be different media channels, the selection of the trap to do an analysis, but the specific choice of a model and caliber of the trap, will depend on the specific parameters may be calculated. Selection for traps require high sensitivity, accurate waste gas drainage, no leakage of steam, the steam can increase the utilization rate, reliable performance, high back pressure, long life and easy maintenance is the preferred conditions. 1. In the production process of heat transfer equipment, drying room, fast heat exchangers, distillation equipment Instrumentation Ball Valvesneeds rapid warming, not a condensed water heating equipment should be chosen mechanical type steam traps. Mechanical-type traps are not working temperature and pressure changes, water that is exclusive, the undercooling is small, no heating equipment in storage, heating equipment can achieve the best operating temperature. Free float steam traps which the structure of the most advanced, highly sensitive, minimum undercooling 0 ° C, can be Safety Relief Valvesranked condensate saturation temperature, no steam leak, the most advantages, can achieve the best efficiency heating equipment. Production process heating equipment is the best trap. 2. In steam pipes, heating pipes, small heating equipment, heating equipment, temperature, do not ask for use of equipment, should use static type steam traps heat. Thermostatic type steam traps cold-degree, low emission condensing water temperature, can take advantage of high-temperature sensible heat of condensation water, energy-saving effectNeedle & Gauge Valves is good. In which the structure of bellows steam trap the most advanced, no manual adjustment is very sensitive, the maximum undercooling has 15 ℃ and 30 ℃ for the selection of the two film boxes, plumbing, small size, can be installed anywhere, in the pipeline to repair and replacement spool, save money and labor, long life, for a wide range, is the static type steam traps heat boutique. 3. In high pressure superheated steamInstrument Manifolds lines and equipment, should choose an exclusive steam traps. Superheated steam traps in high-temperature, high pressure, low load operating conditions to isolate the bad disappear superheated steam condensate produced by high temperature. One disc type steam traps use pipe insulation on steam trap Steam Room insulation, advanced structure, in the case without condensate, trap tightly shut, the work of high quality, long life, is a high-pressure superheated Steam special traps.

原文来源：http://www.1shushuifa.com/

2010-08-25 07:44

返回