Extension method for circulating water system of power plant

A technology of circulating water system and circulating cooling system, applied in water supply pipeline systems, buildings, water supply installations, etc., can solve the problems of large loss of self-power generation, long construction period, economic loss of the company, etc., so as to reduce economic losses and shorten downtime time, the effect of meeting the requirements of process design

Active Publication Date: 2016-11-09
武汉钢铁有限公司
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Problems solved by technology

This scheme has a long construction period and a large loss of self-generated electricity, which will cause huge economic losses to the company

Method used

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  • Extension method for circulating water system of power plant

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Embodiment Construction

[0022] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0023] refer to figure 1 As shown, the expansion method of the power plant circulating water system in an embodiment provided by the present invention, the old circulating cooling system includes the old circulating water pool 1, and the water inlet and the water outlet of the old circulating water pool 1 are respectively provided with a plurality of cooling tower water supply valves 3 and a plurality of circulating pumps, one end of a plurality of cooling tower water valves 3 is collected and then connected to the water outlet end of the condenser 6 in the turbogenerator unit 5 through a main pipe 9, and one end of a plurality of circulating pumps is collected and passed through a main pipe 9 The pipe 9 is connected to the water inlet end of the condenser 6 in the turbogenerator set 5, and is characterized in that, on the basis of the old circulating...

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Abstract

The invention discloses an extension method for a circulating water system of a power plant. A new circulating water pool is independently built beside an old circulating water pool, and is communicated with the old circulating water pool through a communicating pipe, the new circulating water pool and the old circulating water pool are connected in parallel with a main pipe, running of an existing circulating water system is not influenced in a process of building the new circulating water pool, safe and stable running of original equipment is ensured, and a turboset and the circulating water system are required to be stopped only in a process of communicating the new circulating water pool with the old circulating water pool. According to the method, the stopping time is greatly shortened, economic loss caused by stopping is reduced, and process design requirements are met; the communicating pipe is arranged between the new circulating water pool and the old circulating water pool, so that problems about water level balance between the new circulating water pool and the old circulating water pool are solved, and overflow of the circulating water pools and waste of water resources are avoided.

Description

technical field [0001] The invention relates to the technical field of circulating water systems, in particular to a method for expanding the circulating water system of a power plant. Background technique [0002] The first phase of WISCO CDQ waste heat power plant put into operation has two steam turbine generator sets, and the supporting circulating cooling water system (including the old circulating cooling water pool, four circulating water pumps and four cooling tower fans), which are used for steam turbine condensing Steam cooling. Now due to technical transformation, the second phase of the project needs to expand a steam turbine generator set and supporting circulating cooling water system (including a new circulating pool, three circulating water pumps and two cooling tower fans) on the original basis of the power station. The process requires new and old circulation The water system is connected to the master control, and the new and old circulating water system ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E03B1/02E03B5/00E03B7/07
CPCE03B1/02E03B5/00E03B7/07
Inventor 段智雄李晨刚袁学庚郑桂华杜震颖杨劲峰曹健姜松庭
Owner 武汉钢铁有限公司
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