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Floating generating set discharged flow water temperature observation apparatus and installation method thereof

A technology of generator sets and observation devices, applied in the direction of temperature measurement of moving fluids, etc., can solve problems such as uncoordinated work requirements, representativeness, low reliability, and few system observations, so as to ensure systematization and improve the level of work technology and the effect on the quality of results

Active Publication Date: 2015-12-23
CHINA POWER CONSRTUCTION GRP GUIYANG SURVEY & DESIGN INST CO LTD
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Problems solved by technology

[0002] At present, there are few systematic observations of water temperature changes in the discharge water body of hydropower project generating units in my country, especially for the impact of low-temperature water discharge from high-dam and large reservoirs in hydropower projects. Between the vertical water body and the observation work of the water temperature change law of the discharge of the generating set, there are generally problems of uncoordinated work requirements and mismatching results. The change law of discharge water temperature is not pertinent, resulting in systematic, representative, and unreliable problems in the quality of the observation results of the overall water temperature change law in the reservoir area and downstream of the hydropower project. , improvement of empirical formulas and development of calculation software are of little reference value

Method used

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  • Floating generating set discharged flow water temperature observation apparatus and installation method thereof
  • Floating generating set discharged flow water temperature observation apparatus and installation method thereof

Examples

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Embodiment

[0025] Example: Beipanjiang Dongqing Hydropower Station

[0026] (1) Observation background

[0027] Dongqing Hydropower Station is the last cascade of the main stream of the Beipan River, with an installed capacity of 880MW. There are 4 single-unit 220MW hydro-generator sets in total. The normal storage level of the reservoir is 490m, the stagnant water level is 483m, and the limit water level for power generation is 475m. It is a daily regulation reservoir. The elevation of the bottom plate of the tower water inlet is 455m, the elevation of the tower top is 494.5m, the height of the tower is 39.5m, and the front width of the water inlet is 89.2m. The water temperature structure of the reservoir is a transitional type. The floor of the tower water inlet has a height difference of 35m from the normal water storage level. Most of the discharge flow for power generation comes from the water body in the deep-water low-temperature area at an elevation of 455m to 470m in front of t...

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Abstract

The invention discloses a floating generating set discharged flow water temperature observation apparatus and an installation method thereof. The observation apparatus comprises a steel pipe vertically arranged on the inner wall of a tailrace platform. The steel pipe is installed on the inner wall of the tailrace platform through a plurality of supports. A floating ball is disposed in the steel pipe. The bottom of the floating ball is connected with a water temperature probe through a connection chain. A steel cable is installed on the top of the floating ball. The other end of the steel cable is fixed to the top of the steel pipe. The floating generating set discharged flow water temperature observation apparatus fills a blank of the observation of a conventional generating set discharged water temperature change rule system, has important significance to improvement in the technical level and accomplishment quality of China reservoir discharged water temperature change rule observation, further promotion of China river water temperature change rule mathematic model research, improvement in empirical formulas and calculating software development research level, and promotion of industrial technical progress, and has obvious economic social, and environmental benefit.

Description

technical field [0001] The invention relates to the technical field of water conservancy and hydropower engineering monitoring, in particular to a discharge water temperature observation device of a floating generator set and an installation method thereof. Background technique [0002] At present, there are few systematic observations of water temperature changes in the discharge water body of hydropower project generating units in my country, especially for the impact of low-temperature water discharge from high-dam and large reservoirs in hydropower projects. Between the vertical water body and the observation work of the water temperature change law of the discharge of the generating set, there are generally problems of uncoordinated work requirements and mismatching results. The change law of discharge water temperature is not pertinent, resulting in systematic, representative, and unreliable problems in the quality of the observation results of the overall water temperat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01K13/02
Inventor 常理魏浪陈国柱杨桃萍赵再兴王志光张南波唐忠波李鑫王海磊周超
Owner CHINA POWER CONSRTUCTION GRP GUIYANG SURVEY & DESIGN INST CO LTD
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