Method and device for treating cooling water of convertor station
A technology for cooling water and converter station, which is applied in water/sewage multi-stage treatment, water/sludge/sewage treatment, general water supply saving, etc. The long-term economic benefits are obvious, and the effect of overcoming the inaccuracy of offline measurement
Active Publication Date: 2013-12-11
湖南省湘电试验研究院有限公司
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Problems solved by technology
[0004] The technical problem to be solved by the present invention is to provide a cooling water treatment method and device for a converter station to completely solve the problem of fouling and fouling of the system in view of the deficiencies in the design of the existing converter station cooling water treatment system. Realize real-time monitoring of cooling water quality and improve the operation safety of converter stations
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[0017] Referring to the accompanying drawings, the cooling water treatment device of the converter station provided by the present invention includes the main circulation circuit of the cooling water in the converter valve and the external cooling water system of the converter valve; the main circulation circuit is composed of converters connected in sequence, 1. It is composed of heat exchanger 9, circulation pump 6, first precision filter 3 and conductivity meter 2 of the main circulation loop. The inlet and outlet of the circulation pump 6 of the main circulation loop are equipped with an electric desalter 5, a second The bypass formed by the precision filter 7 and the bypass conductivity meter 8 is also provided with a water supply pipe 4 between the inlet of the electric desalter 5 and the outlet of the circulation pump 6; the external cooling water system is connected in sequence Ultrafilter 16, high-pressure pump 13, reverse osmosis 12, balance pool 10, the inlet of ultr...
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The invention discloses a method and a device for treating cooling water of a convertor station. The method comprises the steps that an internal cooling water bypass formed by an electric desalination device, a second precision filter and a bypass conductivity meter is added to a main circulation loop of cooling water in a converter valve and used for treating part of internal cooling water; in an external cooling water system of the converter valve, an ultrafilter and a reverse osmosis water treatment method are utilized to remove components of calcium and magnesium and salt which possibly cause scaling in the system, thus solving the problems of blockage caused by scaling, and the like. When the method and the device are used for treating cooling water of the convertor station, the problems of corrosion, scale formation and blockage caused by improper water treatment of cooling water of the convertor station can be thoroughly solved, so that direct current lockout or emergency shutdown accident caused by the problems of internal cooling water of the convertor station can be avoided.
Description
technical field [0001] The invention belongs to the technical field of direct current transmission, and in particular relates to a method and a device for treating cooling water of a converter station. Background technique [0002] The converter valve is the core component of the converter station. The cooling system is an important part of the converter valve. It discharges the power consumption heat of each component on the valve body to the outside of the valve hall to ensure that the junction temperature of the thyristor is within the normal allowable range. The cooling water system is divided into inner cooling water system and outer cooling water system. The external cooling water is mainly used to cool the internal cooling water, and the cooling effect of the external cooling water directly affects the safe operation of the converter valve. [0003] At present, whether it is internal cooling water or external cooling water, the water treatment method adopted has obvi...
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IPC IPC(8): C02F9/06
CPCY02A20/131
Inventor 郭新茹
Owner 湖南省湘电试验研究院有限公司