WIDE PLUS-FY系列风压取样防堵吹扫装置   型谱表 产品外形   外形尺寸及安装尺寸 点击看大图 工作原理     FY型风压取样防堵吹扫装置有二部分组成：恒气流控制箱和压力取样头。    恒气流控制箱由稳压阀、压力表、流量控制阀和转子流量表、气容和调节阀等组成。    (0.5~8.5)Kgf/cm2无油压缩空气经减压稳压阀保持其压力为恒定，由压力表指示，其压力大小约为1Kgf/cm2；再经流量控制阀控制其流量大小，气体转子流量表可指示其气量值（一般在60标准升/小时）。恒压力恒流量的压缩空气不断吹扫取样头，达到防堵的效果，从而获得正确的风压测量值。如图（一） 工作原理     烧煤锅炉的煤由制粉系统制成煤粉送入炉膛燃烧，经锅炉尾部除尘器、烟囱排入大气。由于工艺上的需要，要进行多处的风压或负压的测量，因被测介质中含高浓度的煤粉或煤灰颗粒，常使取样脉冲管堵塞影响风压的正确测量，对安全生产造成严重威胁。特别是锅炉防内爆的技术已被广泛重视，更需要防止炉膛负压取样堵塞，以便提取正确的信号。    本厂引进美国、日本防堵风压取样的先进技术,成功地研制了FY系列风压取样防堵吹扫装置。这种装置效果良好，专供国内外火电厂硫化床炉、煤粉管道、炉膛负压和烟道负压测量中连续吹气用，以防煤粉和烟灰堵塞取样头，确保电厂自动化仪表正常运行和生产的安全性。FY系列风压取样防堵吹扫装置可分为两大类：（一）FY型风压取样防堵吹扫装置（二）FY型风压吹扫柜   FY系列风压取样防堵吹扫装置的技术条件和要求：1、FY型风压取样防堵吹扫装置     该装置要求供给0.5~10公斤气源，气源的质量最好是净的仪表气源，如不具备高质量的仪表气源即一般气源亦可使用，此气源进入该装置内的油水分离器（进口产品）进行气源净化，并经减压、稳压到仪表直到取样头。该装置可与FY型风压吹扫柜配套使用。主要特点·彻底防止煤粉管道、炉膛负压和烟道负压测量管道的堵塞。·不影响原测量值的精度。·不需要进行人工吹扫，减轻了工人的劳动强度。·可确保炉膛负压自动及有关保护的正常投运。·本装置尺寸小，安装简便。·构造简明，外形美观，价格低廉。 2. FY型风压吹扫柜    该设备为配套FY型风压取样防堵吹扫装置的气源辅助装置或配套其他设备进行吹扫用。FY型风压吹扫柜是目前最先进的气源辅助装置，该产品吸收国内外许多产品的优 点汇聚而成，是气动仪表安装使用的好帮手。广泛应用于电力、冶金、化工、医药、纺织及自动化流水线中。主要特点·使用进口三位一体油水分离器，集减压、油水分离、自动排水于一体，保证仪表气源的高度纯洁。·内部采用不锈钢截止阀，寿命长。·内部仪表管路全部采用进口插拔式原件，最高耐压1MPa。·仪表箱结构紧凑合理，不需占用很大的空间。 WP-GP6E12M1B1D1ND5 WP-LQ802-02-ANGN-HL-P WP-D805-012-12-HL-P WP-S805-012-08-HL-P WP-S805-012-04-HL-P WP-C803-02-08-HL-P WP-C803-02-12-HL-P WP-LQ804-02-ANGN-HL-P WP-B803-0-A WP-T823-011-1212-2H2L-2P WP-C803-01-03-HL-T WP-S803-01-08-HL-T WP-D803-01-12-HL-T WP-L801-02-A-HL-T WP-S821-822-1919-NN-2P WP-D821-800-1908-NN-P WP-8K11T12E020P WP-C803-03-08-HL-P WP-C403-01-12-HL-P WP-D835-822-1212-H-R WP-C803-81-12-HL-P WP-T805-012-12-HL-P WP-C401-00-15-N-W WP-L801-02-F-N-P WP-C803-01-12-HL-P WP-8K11T23E000 WP-D805-020-12-HL-P WP-D806-80-08-N WP-T805-010-12-HL WP-LEAVC600NT WP-LEAAC600NT WP-D824-80-08-NN WP-201IC22-I WP-B803-0-A WP-T805-010-12-HL WP-Z901-088-18-N WP-8AS1G1F2A5G37 WP-L801-00-A-N-P WP-L802-00-AAG-N-P WP-C803-06-23-HL WP-B803-01-A 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