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  介绍压力表在蒸汽锅炉的安装方法  
 
Pressure gauge in steam boiler installation method
介绍压力表在蒸汽锅炉的安装方法
1, each must be equipped with steam boiler and boiler drum space directly connected to the pressure gauge. In front of the feed water regulator, split, economizer, superheater export, between superheater outlet and main steam valve, to heat the import and export, all should be installed pressure gauge.
1、每台蒸汽锅炉必须装有与锅筒空间直接相连的压力表。在给水调节阀前、可分式省煤器出口、过热器出口、过热器出口与主汽阀之间,再热气进出口、都应装设压力表。
2, in the hot water boiler inlet pipe and outlet pipe of each valve entrance, should install a pressure gauge. Circulating water pump inlet pipe and outlet pipe should also install pressure gauge.
2、而在每台热水锅炉的进水管和出水管阀入口,都应装一个压力表。循环水泵的进水管和出水管上也应装压力表。
3, the installation position of pressure gauge should be set in for observation flushing, should avoid affected by unfavorable factors such as radiation, freezing, or vibration; The dial can be tilted forward 15 degrees.
3、压力表的安装位置应设置在便于观察冲洗处,应避免受到辐射热、冻结或振动等不利因素影响;表盘可向前倾斜15度。
Steam boiler pressure gauge has two parts, auxiliary trap tube and three-way cock. The two parts installation method:
 蒸汽锅炉压力表有两个附属零件,存水弯管和三通旋塞。这两个零件的安装方法:
1, trap tube
Outside the connecting pipe of the pressure gauge should be equipped with trap tube, the high temperature steam condenses into water in trap tube, to prevent the high temperature steam directly into the spring tube; At the same time pressure gauge should be as much as possible in a far away from the high temperature steam pipe or vulnerable to high temperature radiation; Pressure gauge of the spring pipe, made from seamless copper tube, its working conditions should be kept below 80 degrees, if the spring tube directly affected by the effect of high temperature steam for a long time, or in a place near the high temperature pressure http://www.hnzbrn.com gauges, will make the pressure gauge indicating value error, affect the accuracy of the pressure gauge and service life, but also can make table drive gear is damaged, therefore, under the pressure gauge of connecting pipe should be equipped with trap tube; Trap tube inner diameter, when using a copper pipe should not be less than 6 mm, when using a steel pipe should not be less than 10 mm. At the bottom of the trap tube, best equipped with waterproof plug, so that after the furnace water drain pipe.
 1、存水弯管
在压力表的连接管外应该装有存水弯管,使高温蒸汽在存水弯管内凝结成水,防止高温蒸汽直接进入弹簧管;同时压力表应尽可能地装在远离高温蒸汽管道或易受高温辐射的地方;压力表的弹簧管,由无缝铜管制成,它的工作条件应该保持在80度以下,如果弹簧管内长期直接受高温蒸汽的作用,或压力表装在靠近高温的地方,将会使压力表的指示值产生误差,影响压力表的准确性和使用寿命,而且还可能使表内传动机构损坏,因此,在压力表下的连接管外应该装有存水弯管;存水弯管的内径,用铜管时不应小于6毫米,用钢管时不应小于10毫米。在存水弯管的下部,最好装有防水旋塞,以便停炉后放掉管内的积水。
2, t cock
2、三通旋塞
 蒸汽锅炉压力表和缓冲弯管之间应装有三通旋塞,它有两个作用:一是冲洗存水弯管;二是装置经过校验的压力表,以便核对工作压力表的准确度。更换和校验压力表。(蒸汽锅炉压力表的安装)

Pressure gauge and buffer should be equipped with a three-way cock between bend, it has two functions: one is flush trap tube; Second, device after calibration of pressure gauge, to check the accuracy of the work pressure gauge. Replace and check pressure gauge. 

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