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Y-shaped double valve sand discharger

A valve row and valve technology, which is applied in sea area engineering, construction, barrage/weir, etc., can solve the problems affecting the normal operation of the power generation system, affecting the flow of the main channel, and reducing the cleaning efficiency, and achieves simple structure, strong practicability, The effect of improving cleaning efficiency

Active Publication Date: 2020-12-18
宋培基
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, some of the sand dischargers in the known hydroelectric power generation systems need to stop working during the sand discharge cleaning, while others will affect the flow in the main channel, which will be affected due to the changing working conditions at all times, greatly reducing the cleaning efficiency and seriously Affect the normal operation of the power generation system

Method used

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  • Y-shaped double valve sand discharger
  • Y-shaped double valve sand discharger
  • Y-shaped double valve sand discharger

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] refer to figure 1 , a Y-shaped double-valve sand discharger, including a housing and a valve, the housing 1 is a Y-shaped three-channel structure with a slow flow chamber 3 inside, and the top end of the Y-shaped three-channel structure is provided with a first The flange 2 has a second flange 4 and a third flange 5 at its side and lower ends respectively, and the lower side of the third flange 5 is sequentially connected with a first valve 6, a sand storage pipe 7 and a second valve 8 ; The inner end of the channel connected to the second flange 4 is provided with a filter screen 9 . The sand storage pipe 7 is a circular pipe with flanges at both ends, and its diameter coincides with the diameters of the first valve 6 and the second valve 8 . The filter screen 9 is fixed by bolts. The first valve 6 and the second valve 8 are manual valves.

[0020] During installation and operation, the first valve 6 is set to be in an open state, and the second valve 8 is set to be...

Embodiment 2

[0022] refer to figure 2 — image 3 , a Y-shaped double-valve sand discharger, including a housing and a valve, the housing 1 is a Y-shaped three-channel structure with a slow flow chamber 3 inside, and the top end of the Y-shaped three-channel structure is provided with a first The flange 2 has a second flange 4 and a third flange 5 at its side and lower ends respectively, and the lower side of the third flange 5 is sequentially connected with a first valve 11, a sand storage pipe 7 and a second valve 12 ; The inner end of the channel connected to the second flange 4 is provided with a filter screen 9 . The sand storage pipe 7 is a round pipe with flanges at both ends, and its diameter coincides with the diameters of the first valve 11 and the second valve 12 . The filter screen 9 is fixed by bolts. The first valve 11 and the second valve 12 are electric valves, and the two electric valves are controlled by a connected controller 13 , and the controller 13 is provided wit...

Embodiment 3

[0027] In this embodiment, on the basis of Embodiment 2, a timing circuit is added in the controller 13, referring to Figure 4 , the timing circuit includes a timer, a timing module and a regulated power supply, the input end of the timer DSQ is connected to the AC power supply, the output end is connected to the input end of the regulated power supply DC, and the positive output ends of the regulated power supply DC are respectively connected to the first The positive terminal of the power supply of the timing module K1, the positive terminal of the power supply of the second timing module K2, the positive terminal of the power supply of the third timing module K3 and the positive terminal of the power supply of the fourth timing module K4, the negative output terminal of the stabilized power supply DC is connected to the first timing The negative terminal of the power supply of the module K1, the negative terminal of the power supply of the second timing module K2, the negat...

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Abstract

The invention discloses a Y-shaped double-valve sediment ejection device. The Y-shaped double-valve sediment ejection device comprises a shell and valves. The Y-shaped double-valve sediment ejection device is characterized in that the shell is of a Y-shaped three-channel structure which is internally provided with a slow flow bin, a first flange is arranged at the top end of the Y-shaped three-channel structure, a second flange and a third flange are separately arranged at the side end and the lower end of the Y-shaped three-channel structure, and the first valve, a sand storage tube and the second valve are sequentially connected to the lower side of the third flange; and a filter screen is arranged at the inner end of a channel to which the second flange is connected. The Y-shaped double-valve sediment ejection device has reasonable design, a simple structure and high practicability, utilizes the slow flow bin for sedimentation, utilizes the two valves to alternately open and close,and achieves the purpose of good sediment ejection without affecting the flow of a main channel, so that the cleaning efficiency is greatly improved, the normal operation of a power generation systemis not affected, and energy efficiency is realized.

Description

technical field [0001] The invention relates to the technical field of sand discharge in water areas, in particular to a Y-shaped double-valve sand discharge device. Background technique [0002] At present, some of the sand dischargers in the known hydroelectric power generation systems need to stop working during the sand discharge cleaning, while others will affect the flow in the main channel, which will be affected due to the changing working conditions at all times, greatly reducing the cleaning efficiency and seriously affect the normal operation of the power generation system. Contents of the invention [0003] The object of the present invention is to provide a Y-shaped double-valve sand discharger aiming at the defects in the prior art. [0004] The technical solution is: a Y-shaped double-valve sand discharger, including a shell and a valve. The shell is a Y-shaped three-channel structure with a slow-flow chamber inside. The top end of the Y-shaped three-channe...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02B8/02E02B8/04
CPCE02B8/02E02B8/04
Inventor 宋培基
Owner 宋培基
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