Open circulation cooling water system for steam turbine generating set
A technology of cooling water system and generator set, which is applied in the direction of machine/engine, steam engine device, steam recovery, etc., can solve the problem of high power consumption of sea water pump
Active Publication Date: 2019-01-11
SHENERGY COMPANY
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Problems solved by technology
[0004] In view of the shortcomings of the prior art described above, the object of the present invention is to provide an open circulation cooling water system for a steam turbine generating set, which is used to solve the problem of reusing low-temperature waste heat of cooling water discharged from a generating set in the prior art and sending seawater. The problem of high power consumption of water pumps
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[0030] The implementation of the present invention will be illustrated by specific specific examples below, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.
[0031] see figure 1 . It should be noted that the structures, proportions, sizes, etc. shown in the drawings attached to this specification are only used to match the content disclosed in the specification, for those who are familiar with this technology to understand and read, and are not used to limit the implementation of the present invention. Limiting conditions, so there is no technical substantive meaning, any modification of structure, change of proportional relationship or adjustment of size, without affecting the effect and purpose of the present invention, should still fall within the scope of the present invention. within the scope covered by the disclosed technical content. At the same time, terms suc...
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The invention provides an open circulation cooling water system for a turbine generator set. The open circulation cooling water system comprises a water inlet pipe connected with a condenser in a turbine system, a water outlet pipe connected with the condenser in the turbine system, a water supply pump which is connected with the water inlet pipe and used for pumping seawater in a sea, and a seawater siphon recovery well. The seawater siphon recovery well is that a seawater siphon well and a seawater drainage well are arranged in a working well. The tail end of the water outlet pipe is arranged in the seawater siphon well, the seawater siphon recovery well is internally provided with a plurality of circulating pumps, outlets of the circulating pumps are connected with a water inlet of the seawater heat exchanger through a water supply pipeline, and a water outlet of the seawater heat exchanger is connected with the seawater siphon recovery well through a drainage pipeline. According to the open circulation cooling water system, the seawater heat obtained after heat exchanging of the condenser is fully utilized, the power consumption of the water supply pump is greatly saved, and the energy in the set is utilized to the maximum extent.
Description
technical field [0001] The invention relates to the technical field of thermal power generation, in particular to an open circulation cooling water system for a steam turbine generating set. Background technique [0002] At present, the condenser of the power plant unit needs cooling water to condense the exhaust steam of the steam turbine. In offshore power plants, seawater is generally used to cool the exhaust steam of the steam turbine through the condenser. However, in order to meet the cooling capacity and cooling effect, the power A large water pump is used to draw seawater to provide enough water to cool the condenser, and the seawater after passing through the condenser is directly discharged into the recovery well for external discharge. The temperature of the seawater discharged into the recovery well is a low-temperature heat source, and there is not much space for utilization. This part of heat energy is generally ignored and then wasted. [0003] Therefore, the...
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IPC IPC(8): F01K19/00
CPCF01K19/00
Inventor 王振宇张怡
Owner SHENERGY COMPANY