Small-temperature-variation combined type circulation cooling water system
A cooling circulating water, combined technology, applied in the field of circulating water system, can solve the problems of high energy consumption, large energy consumption, inaccurate control of inlet and outlet water temperature, etc., to achieve convenient water flow adjustment, increase operating life, and flexible control. Effect
Inactive Publication Date: 2015-11-18
中核动力设备有限公司 +1
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Problems solved by technology
[0002] In the cooling circulating water system with large temperature change, the temperature control of the inlet and outlet water is not accurate, and the energy consumption is high, and the temperature of the cooling return water in the system cannot be accurately controlled; the conventional cooling circulating water system only controls whether the temperature of the system outlet water reaches cooling Water requirements, the water supply on the cold source side is in a constant state. When the external temperature changes, the cooling capacity required by the return water side of the system is also changing in real time. Due to the inability to accurately calculate and adjust, there is a large amount of unnecessary energy in the system. consumption
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[0015] The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the invention, not to limit the invention.
[0016] Such as figure 1 As shown, a small temperature change combined cooling circulating water system includes a basic cooling circulating water system 1 and a replenishment water system 2, and the basic cooling circulating water system 1 includes I shut-off valve 4, I cooling tower 5, and II shut-off valve 6 , Ⅰ water storage tank 7, Ⅰ frequency conversion water pump group 8 and external water system 9 are connected in turn through water pipelines to form a closed-loop basic water circulation circuit, the water outlet of the Ⅰ frequency conversion water pump group 8 is connected to the water supply port of the external water system 9, and Ⅰ cuts off The water inlet of the valve 4 is connected to ...
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The invention relates to a small-temperature-variation combined type circulation cooling water system. The system comprises a basic circulation cooling water system and a water supplementing system and further comprises an adjusting circulation cooling water system. The water supplementing system carries out water supplementing work on the basic circulation cooling water system and the adjusting circulation cooling water system. The adjusting circulation cooling water system is connected to a return water pipeline of a cooling tower I in the basic circulation cooling water system in parallel, the temperature of return water is controlled through the function of a plate heat exchanger, a cooling water II and a water chilling unit in the adjusting circulation cooling water system are used for adjusting the water inlet temperature of the plate heat exchanger, the refrigerating capacity of the plate heat exchanger is enhanced, and a variable frequency pump is adopted in the whole system for supplying water. According to the small-temperature-variation combined type circulation cooling water system, the temperature of the return water can be precisely controlled, and the energy consumption of the system can also be reduced.
Description
technical field [0001] The invention relates to a circulating water system, in particular to a small temperature change combined cooling circulating water system. Background technique [0002] In the cooling circulating water system with large temperature change, the temperature control of the inlet and outlet water is not accurate, and the energy consumption is high, and the temperature of the cooling return water in the system cannot be accurately controlled; the conventional cooling circulating water system only controls whether the system outlet water temperature reaches cooling Water requirements, the water supply on the cooling source side is in a constant state. When the external temperature changes, the cooling capacity required by the return water side of the system is also changing in real time. Due to the inability to accurately calculate and adjust, there is a large amount of unnecessary energy in the system. consumption. Contents of the invention [0003] The...
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IPC IPC(8): F25D1/02
Inventor 王利王挺
Owner 中核动力设备有限公司
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