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换热器试漏枪的特点

换热器试漏枪的特点

换热器试漏枪的特点

换热器试漏枪的特点主要有以下几方面:

The characteristics of the heat exchanger test gun are mainly in the following aspects:

  l)预备时间短。将试漏枪的各部件组装好,连接足够长度的高压软管,并引入打压介质,打压介质采用装置区的消防水或工厂风。与此同时,将换热器封头拆下,就可以进人管束试漏状态。

1) short preparation time. The leakage testing gun parts assembled, enough length of the high pressure hose connection, and the introduction of medium pressure, pressure medium is adopted as the unit area of the fire or the factory wind. At the same time, the head of the heat exchanger can be removed, and it can be put into the test and leakage state of the tube bundle.

  2)操作过程简便。以单管试漏为例,两杆组装好的试漏枪分别插入换热器一根管束的两端并压紧,将引人介质的枪阀打开,关闭另杆枪阀,当压力升到规定值后,立即关闭引入介质枪阀,若两表压不变,则无泄漏;若两表压均降,则管束泄漏;一若引人介质端表压不降,另端表压为零,则管堵。总之,根据两杆枪压力表读数的情况,可以判断出管束是否泄漏和堵塞。

2) the operation process is simple and convenient. On the single tube leakage, for example, two rod assembly good test leakage gun are respectively inserted into the heat exchanger a root bundle at both ends and pressing, which will lead medium gun valve open, the other gun valve is closed, when the pressure rose to the specified value, immediately shut down into the media gun valve, if two gauge invariant, no leakage; if two gauge was decreased and then bundle leakage; a lead end medium gauge does not fall, on the other end of the gauge to zero pipe plugging. In short, according to the two gun pressure gauge readings, you can determine whether the leakage and blockage of the tube.

  3)操作时间具有可缩性。润滑油代理根据换热器检修工期的长短要求,可选择单管或多管试漏枪,也可选择两套以上试漏枪同时进行试漏。按每根管束试漏检验时间为205,检验管束时,单管试漏枪需操作5.5h,多管试漏枪(3个枪头)仅需操作1.5h。

3) the operation time has the ability to shrink. Lubricating agent according to the change of the length of the heat exchanger maintenance schedule requirements, choose single - or multiple leakage testing gun, can also choose two or more leakage testing gun and leakage test. According to each pipe bundle leakage inspection time for 205, test tube bundles, single tube test leakage gun to 5.5 hours of operation, multi try leakage gun (three gun head) only 1.5 hours operation.

  4)适用范围广。陶瓷纤维纸试漏枪的使用不受环境温度及其他外界因素的影响。使用过程中可以分别引入气态或液态打压介质,适用于不同介质类型的各种换热器。

4) a wide range of application. The use of ceramic fiber paper test gun is not affected by ambient temperature and other external factors. Gas or liquid pressure medium can be introduced into the use process, which is suitable for various kinds of heat exchangers with different media types.

  5)科学性强枪头与管束端口之间采用锥型胶塞连接,可压缩性强、密封性好。

5) the cone type rubber plug connection is adopted between the scientific strong gun head and the tube bundle port, which can be compressed and has good sealing performance.

  一般管束试漏压力均在0.5MPa以下,人工持枪推压便可进行试验。若有特殊要求试验压力超过0.5MPa时,可制做配套夹具固定在换热器管板上,推压枪头进行试验。单管或多管试漏时,因打压介质充填量小,若管束有漏点,易于从压力表上快速显现出压降。

General tube bundle test pressure is below 0.5MPa, the artificial gun can be carried out on the test. If you have special requirements, test pressure exceeds 0.5MPa, the matching manufacture fixture is fixed on the heat exchanger tube plate, pushing pressing head test. Single - or multiple leakage test, by suppressing media filling quantity is small, if the tube bundle leakage, easy to from the pressure gauge on the fast show pressure drop.

6)试漏枪加工制作简便、成本低经过对管束试漏枪的研制,并在实践中应用,使用效果良好,达到了对换热器管束的打压试漏目的。与现有技术相比,具有简便易行、试验成本低、适用性强等特点,极具推广价值,是换热器管束打压试验的理想工具。 

6) leakage testing gun processing has the advantages of simple manufacture, low cost after the development of tube bundle leakage testing gun and in practical applications, and good use effect to the heat exchanger(www.hreqi.com) tube bundle leakage test with pressure to. Compared with the prior art, the method has the advantages of simple and easy operation, low cost and strong applicability, and is an ideal tool for the pressure test of the heat exchanger tube bundle.


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