Because the packings on the second plate were blocked by polymer, water from the reflux pump condensed and entered into the bottom of the tower to cause the cavitation of the pump.

汽油分馏塔第二层塔填料堵塞，全塔气-液传热传质状况恶化，使水降至塔釜引起“暴釜”，最终导致急冷油泵气蚀不上量。

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High viscosity pump can match the relief valve, when the pump and piping system overpressure, safety valve is opened, the formation of internal reflux, ensure the safety of the system.

高粘度泵可配安全阀，当泵或管路系统超压时，安全阀门打开，形成内部回流，保证系统安全。

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Prescription proton pump inhibitors are used to treat conditions such as gastroesophageal reflux disease (GERD), stomach and small intestine ulcers, and inflammation of the esophagus.

处方质子泵抑制剂用于治疗的疾病如反流性胃食管疾病(GERD)、胃和小肠溃疡、食道炎症。

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Dr. Clarke says he found that about one-third of his patients with heartburn didn't get better on proton-pump inhibitors, or have evidence of acid reflux, but in virtually every case, they had severe stress in their lives.

WSJ: Why Your Heartburn Drugs Don't Work