在燃煤电厂冲灰水闭路循环系统中，水力输灰管和回水管的结垢是所需解决的主要问题。
In the closed circulation system of ash-sluicing water of coal-fired power plant, the scaling of the hydraulic ash transport pipes and the backwater pipes is the main problem that need to be solved.
冷媒水箱由管路与制冷器、冷媒水泵和冷媒水节流阀 组成冷媒水闭路循环系统提供冷源。
The refrigerant liquid tanks form a refrigerant water closed circulation system through pipes, a refrigerator, a refrigerant water pump and a refrigerant water throttle valve to supply a cold source.
本实用新型提供了一种空气去湿食品消毒柜，它主要由控制电路和空气闭路循环系统组成。
The utility model provides a food sterilizing cabinet with air wet removing, which is mainly composed of a control circuit and an air closed-circuit circulation system.
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