Vacuum helium detection system for plate heat exchangers

Category

Air tightness testing equipment

Refrigeration Industry - Helium Leak Detection Equipment

Products

Product Overview

1. Two workstations, one for strength and internal leak testing, and the other for external leak testing 2. The helium leak detection system can detect 480 small or 240 large workpieces in 8 hours 3. Leak detection rate up to 5.0E-7Pa. m ³/ Sec 4. Equipped with helium recovery system, with a recovery rate of up to 98%
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Product Details

Vacuum helium detection system for plate heat exchangers


基本技术指标

项目 参数
待检工件 板式换热器
检漏工位 2个
微漏检测气体 氦气
微漏检测压力 1.0MPa
报警漏率 1.0E-6Pa.m3/sec.
生产节拍 8小时/480个小工件、240个大工件

基本工作原理

根据氦检漏的基本检漏原理,用氦气作为示踪气体,在内漏检测循环中,将氦气充入工件的B腔检A、B之间的内漏;在外漏检测循环中,将A、B同时充氦检腔体的外漏;利用氦检漏仪能高精度迅速准确的判断出板式换热器的泄漏情况。

工件先在内漏检测工位检测内漏,然后通过输送线将产品推到外漏检测工位检测外漏。

对于三腔工件,在内漏检测循环中,A腔中充入氦气,检测 A-B、A-C之间的泄漏;在外漏检测循环中,将A、B、C同时充氦检腔体的外漏。

keyword:

exchangers

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