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Structure and Construction Method of Inland River Water Intake in Circulating Water System of Power Plant

A circulating water system and construction method technology, applied in water supply devices, drinking water devices, buildings, etc., can solve the problems of high cost of cofferdams, long construction period, etc., to ensure safe and reliable structure, simple construction scheme, and good stability Effect

Active Publication Date: 2016-02-03
CHINA ENERGY ENG GRP GUANGDONG ELECTRIC POWER DESIGN INST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The structure of the inland water intake overcomes the disadvantages of the existing technology that it needs to form a dry land construction environment, construction measures such as cofferdams need to be considered, the construction period is long, and the cost of cofferdams is high

Method used

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  • Structure and Construction Method of Inland River Water Intake in Circulating Water System of Power Plant
  • Structure and Construction Method of Inland River Water Intake in Circulating Water System of Power Plant
  • Structure and Construction Method of Inland River Water Intake in Circulating Water System of Power Plant

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Experimental program
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Effect test

Embodiment 1

[0035] refer to Figure 1 to Figure 5 The inland river water intake structure of the circulating water system of the power plant shown includes a pile foundation 1 and a water intake head 2. The pile foundation 1 is composed of a plurality of fixed piles embedded in the inland river bed 3, and the upper ends of all the fixed piles are on the same horizontal plane The water intake head 2 is an integrated reinforced concrete frame structure, and the bottom of the water intake head 2 is provided with an installation groove 4 corresponding to the fixed pile of the pile foundation 1, and the water intake head 2 is directly fastened and fixed by using the installation groove 4 On the pile foundation 1, a sealed water collection well 7 is formed; a water inlet 5 and a water outlet 6 are provided on the side wall of the water intake head 2, and the water inlet 5 is arranged on the top of the sealed water collection well 7, and the water outlet 6 is provided At the bottom of the sealed...

Embodiment 2

[0044] The difference between the technical features described in Embodiment 2 and Embodiment 1 is that the inland water intake structure of the circulating water system of the power plant is built in the Hanoi area where the water flow is stable, and a triangle extending at the two ends of the main part of the water intake head 2 is omitted. The formed diversion structure 10. All the other are with embodiment 1.

[0045]The invention is applied to a water supply system of a large inland gas-fired power plant. The distance from the water intake to the shore is about 220m, the silt at the water intake is about 40m thick, and the coastal terrain is flat. The pile foundation 1 of the water intake head adopts 4 steel pipe piles with a diameter of 600mm and a pile length of 50m. The water intake head adopts the prefabricated concrete structure to be formed on the dry ground, and is hoisted and constructed on the water. The installation groove 4 reserved during the prefabrication ...

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Abstract

The invention relates to an inland water collecting opening structure of a power plant circulating water system and a construction method thereof. The structure comprises a pile foundation and a water collecting head. The pile foundation is composed of a plurality of fixing piles which are embedded and inserted into an inland river bed, and the upper ends of all the fixing piles are placed on the same horizontal face. The water collecting head is of an integrated reinforced concrete frame body structure, mounting grooves corresponding to the fixing piles of the pile foundation are formed in the bottom of the water collecting head, and the water collecting head is directly buckled and fixedly mounted on the pile foundation through the mounting grooves so that a sealed water collecting well can be formed. A water inlet and a water outlet are formed in the side wall of the water collecting head, the water inlet is formed in the upper portion of the sealed water collecting well, and the water outlet is formed in the lower portion of the sealed water collecting well. The water outlet is connected with a water collecting pipe, so that a sealed rigidity inland water collecting opening structure is formed. The invention further discloses a construction method of the inland water collecting opening structure. The structure is good in stability, the safety and reliability of the structure are guaranteed, the construction method and scheme are simple, and the construction progress can be better accelerated.

Description

technical field [0001] The invention relates to an inland river water intake structure of a power plant circulating water system and a construction method thereof, which is suitable for piling in water to establish a long-term water supply intake structure and construction of the structure. The utility model belongs to the structural structure and construction technology field of the circulating water system of a power plant. Background technique [0002] At present, in the construction system of inland power plants, the circulating water system generally adopts the secondary circulating water supply system, and it is necessary to build a water intake in the inland river to take water as make-up water. In the case of poor geological conditions, the water intake port needs to be connected to the pile foundation, but how to connect the water intake port to the pile foundation is a problem that needs to be solved. The water intake port of the existing technology mainly has two...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E03B3/04
Inventor 钟香兰马兆荣何小华徐荣彬
Owner CHINA ENERGY ENG GRP GUANGDONG ELECTRIC POWER DESIGN INST CO LTD
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