| 摘要 |
A system for cleaning the inside of tubing, as of a heat exchanger, which is made up of a number of balls entrained by a liquid flowing through the system, a separator for separating the balls from the liquid downstream of the tubing, an accumulator for accumulating the balls downstream of the separator, a storage tank for storing a volume of injection liquid, and a mechanism for injecting the balls upstream of the tubing by displacement of the injection liquid from the storage to upstream of the tubing through the accumulator to entrain the balls therewith. The accumulator and the storage tank can be combined in a single housing or configured as separate airtight housings.
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