High-low region grid-connected direct-coupled unit system

高低区并网直连机组系统

Abstract

The utility model relates to a high-low region grid-connected direct-coupled unit system comprising a water segregator, a supercharging device, a high-region heating user, a decompression partition device and a water collector, which are sequentially connected through a water conveying pipeline, a one-way valve is connected in parallel between two ends of an inlet and an outlet of the supercharging device, the system further comprises an ultra-pressure drainage control device, and the ultra-pressure drainage control device is connected on a high-region water return pipeline. The system has the benefits that the design of connecting the one-way valve in parallel between the ends of the inlet and the outlet of the supercharging device is adopted for replacing the traditional design, not only the occurrence of the short circuit phenomenon due to the leakage of the one-way valve can be prevented, but also the occurrence of a water hammer can be prevented once a pump is stopped; if the pressure of the system is too high or the decompression partition device fails, the ultra-pressure drainage control device can be opened automatically for carrying out pressure release and drainage, thereby ensuring safe and reliable operation of the low-region system; and the real-time observation can be carried out through the indication of a pressure gauge and a thermometer, thereby determining whether the operation conforms to conditions.
本实用新型涉及一种高低区并网直连机组系统,包括通过输水管道依次连接的分水器、增压装置、高区采暖用户、减压隔断装置和集水器,所述单向阀并联在增压装置进出口两端,还包括一个超压泄水控制装置,所述超压泄水控制装置连接在高区回水管道上。本实用新型的有益效果是:采用将单向阀并联在增压装置进出口端的设计,取代传统的设计,不仅能防止单向阀的泄露而造成短路现象的发生,而且一旦停泵,可防止水锤的发生;如果系统压力超高或减压隔断装置一旦失灵,就会自动打开,进行泄压、泄水,确保低区系统的安全可靠运行;还可通过压力表和温度计的指示,即时观察,确定运行是否符合条件。

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