CN214939884U

CN214939884U - Novel ecological flow protection facility

Info

Publication number: CN214939884U
Application number: CN202120480311.8U
Authority: CN
Inventors: 杜藏; 潘福营; 刘旭阳; 张小波; 王理源; 孙五一
Original assignee: Henan Luoning Pumped Storage Co ltd; State Grid Corp of China SGCC; State Grid Xinyuan Co Ltd
Current assignee: Henan Luoning Pumped Storage Co ltd; State Grid Corp of China SGCC; State Grid Xinyuan Co Ltd
Priority date: 2021-03-05
Filing date: 2021-03-05
Publication date: 2021-11-30
Anticipated expiration: 2031-03-05

Abstract

The utility model relates to a novel ecological flow protection facility, which comprises a gate pier, a gate and a plurality of groups of drainage parts which are pre-embedded in the gate pier and are arranged at intervals up and down, wherein each group of drainage parts comprises a drainage pipe and a drainage valve for controlling the on-off of the drainage pipe; the drainage pipes penetrate through the gate piers to drain the upstream stored water to the downstream, connecting plates are sleeved among the water inlet ends of the plurality of groups of drainage pipes and detachably connected with the drainage pipes, and filter covers are arranged outside the connecting plates to filter sundries; vertical shafts are reserved in the gate piers on the downstream side, the drain valves are uniformly distributed in the vertical shafts, and an opening and closing cover is arranged above the vertical shafts to seal the vertical shafts. The utility model discloses a pre-buried earial drainage piece when hydraulic engineering construction need not to open the gate and can guarantee the supply to the required ecological flow in low reaches, is favorable to the protection of low reaches ecological environment.

Description

Novel ecological flow protection facility

Technical Field

The utility model relates to a water conservancy earial drainage technical field especially relates to a novel ecological flow protection facility.

Background

The ecological flow is an important measure for guaranteeing the minimum requirement of water for the downstream ecological environment and guaranteeing the downstream ecological environment, and in order to guarantee the downstream ecological environment and maintain the ecological flow of a downstream river channel in water conservancy projects, part of water needs to be guided to the downstream while water is stored in the upstream so as to meet the discharge requirement of the downstream ecological flow.

Aiming at small-scale water conservancy projects, measures such as gate drainage, water pumping by a water pump and the like are mostly adopted in order to guide upstream water storage to downstream, the gate drainage is adopted, and a flowing water body impacts a gate to cause vibration, so that the engineering safety is influenced; and a water pump is adopted for pumping water, and once the height of the dam body is higher than the lift of the water pump, the dam body is not suitable for use. Therefore, a novel ecological flow protection facility is provided.

Disclosure of Invention

The utility model discloses a solve the problem that the gate earial drainage arouses vibrations, provide a novel ecological flow protection facility, through pre-buried earial drainage pipeline when engineering construction, realize need not the gate and open and can satisfy the ecological flow of downstream requirement of releasing.

In order to achieve the above object, the utility model adopts the following technical scheme:

a novel ecological flow protection facility comprises gate piers, gates and a plurality of groups of drainage members which are pre-embedded in the gate piers and are distributed at intervals up and down, wherein each group of drainage members comprises a drainage pipe and a drainage valve for controlling the on-off of the drainage pipe;

the drainage pipes penetrate through the gate piers to drain the upstream stored water to the downstream, connecting plates are sleeved among the water inlet ends of the plurality of groups of drainage pipes and detachably connected with the drainage pipes, and filter covers are arranged outside the connecting plates to filter sundries;

vertical shafts are reserved in the gate piers on the downstream side, the drain valves are uniformly distributed in the vertical shafts, and an opening and closing cover is arranged above the vertical shafts to seal the vertical shafts.

Furthermore, the bleeder tube is of a three-way tube structure, the two symmetrically arranged ends of the bleeder tube are water inlet ends, the water inlet end of the bleeder tube is positioned in the gate pier on the upstream side, and the water inlet end of the bleeder tube extends out of the gate pier and is connected with the connecting plate through a bolt.

Furthermore, a connecting flange is arranged at the water inlet end of the drain pipe; the connecting plate is of a rectangular groove structure, a plurality of groups of hole sites are arranged on the connecting plate, each group of hole sites corresponds to the water inlet end of the drainage pipe, and the connecting plate is connected with the connecting flange through bolts.

Furthermore, the filter cover is in a streamline profile shape formed by bending the filter screen, and the filter cover is covered outside the connecting plate and is connected with the connecting plate through bolts.

Further, the drain valve is a butterfly valve.

Through the technical scheme, the beneficial effects of the utility model are that:

the utility model has reasonable structural design, the drainage piece is pre-embedded during the construction of the hydraulic engineering, the supply of the downstream required ecological flow can be ensured without opening the gate, and the protection of the downstream ecological environment is facilitated; water enters from two ends of the arranged drainage pipe, so that sufficient water supply is ensured; the filter cover is in a streamline outline shape, on one hand, sundries on the upstream can be blocked, and the damage of ecological environment caused by flowing to the downstream can be avoided, on the other hand, the impact of water flow on the filter cover can be reduced by the streamline filter cover, and the filter cover is ensured to be connected firmly and reliably; the drain valve is arranged in the shaft and is electrically controlled without manual operation, so that the opening and closing operation is convenient and rapid, and the shaft can be conveniently maintained and overhauled by personnel.

Drawings

Fig. 1 is a front view of the novel ecological flow protection facility of the present invention.

Fig. 2 is a sectional view from a-a in fig. 1 of the novel ecological flow protection facility of the present invention.

Fig. 3 is a schematic view of the direction B in fig. 2 of the novel ecological flow protection facility, and the filter cover is not shown in the figure.

Fig. 4 is a schematic view of the direction C in fig. 2 of the novel ecological flow protection facility of the present invention.

Fig. 5 is a schematic view of the installation of the filter mantle of the novel ecological flow protection facility.

The reference numbers in the drawings are as follows: the device comprises a gate pier 1, a gate 2, a discharge pipe 3, a discharge valve 4, a connecting plate 5, a filter cover 6, a vertical shaft 7, a connecting flange 8, a hole site 9 and an opening and closing cover 10.

Detailed Description

The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings:

as shown in fig. 1-5, a novel ecological flow protection facility comprises gate piers 1 and gates 2, and further comprises a plurality of groups of drainage members embedded in the gate piers 1, wherein the drainage members are arranged at intervals from top to bottom, and each group of drainage members comprises a drainage pipe 3 and a drainage valve 4 for controlling the on-off of the drainage pipe 3.

In this embodiment, the drainage pipe 3 penetrates through the gate pier 1, so that the upstream stored water can be drained to the downstream without opening the gate 2, and the requirement of downstream ecological flow can be met.

Specifically, the drain pipes 3 are of a three-way pipe structure, connecting plates 5 are sleeved among the water inlet ends of the plurality of groups of drain pipes 3, and the connecting plates 5 are of rectangular groove structures;

the two ends of the symmetrically arranged drain pipes 3 are water inlet ends, water inlet at the two ends can ensure sufficient water inflow, and the water inlet ends of the drain pipes 3 are positioned in the gate piers 1 at the upstream side, so that two connecting plates 5 are arranged and respectively connected with the water inlet ends at the two sides of the drain pipes 3, as shown in fig. 2.

When the connecting plate 5 is installed, the connecting plate 5 is detachably connected with the drain pipe 3, and preferably, the water inlet end of the drain pipe 3 extends out of the gate pier 1 and is connected with the connecting plate 5 through bolts;

the installation is as follows, a connecting flange 8 is arranged at the water inlet end of the bleeder pipe 3; a plurality of groups of hole sites 9 are formed in the connecting plate 5, each group of hole sites 9 corresponds to the water inlet end of the drain pipe 3, the connecting plate 5 is connected with the connecting flange 8 through bolts, so that the connecting plate 5 is fixed at the water inlet end of the drain pipe 3, and the fixed connecting plate 5 is tightly attached to the side wall of the gate pier 1, as shown in fig. 3.

In order to avoid the blockage of the discharge pipe 3 by impurities in upstream water, a filter cover 6 is covered outside the connecting plate 5, the filter cover 6 is in a streamline profile shape formed by bending a filter screen, and preferably, the cross section of the filter cover 6 is arc-shaped.

When the filter cover 6 is installed, the filter cover 6 covers the connecting plate 5 and is connected with the connecting plate 5 through bolts, as shown in fig. 5, impurities floating in the water body can be filtered through the filter cover 6, the impurities are blocked outside the drain pipe 3, and pollution caused by flowing to the downstream is avoided;

simultaneously when gate 2 is opened, upstream water flows through gate pier 1 both sides and flows through, and curved filter mantle 6 can slow down the impact of rivers to it, improves the stability of filter mantle 6 installation.

Shafts 7 are reserved in the gate piers 1 on the downstream side, the drain valves 4 are uniformly distributed in the shafts 7, and the shafts 7 play a role in maintenance, as shown in fig. 4;

an opening and closing cover 10 is arranged above the vertical shaft 7, the opening and closing cover 10 is opened, and personnel can go down into the vertical shaft 7 to regularly check the running state of the drain valve 4, so that the drain pipe 3 can be ensured to be well opened and closed.

In the embodiment, the drain valve 4 is a butterfly valve, specifically, an electric butterfly valve is adopted, the drain valve 4 is controlled to be opened and closed in an electric mode, the operation is convenient and rapid, the drain pipe 3 is not required to be manually controlled to be opened and closed by a person falling into the vertical shaft 7, and the workload of the person is reduced;

the opening of the drain valve 4 can be controlled or a proper amount of the drain valve 4 can be controlled to be opened, so that the size of the ecological flow of the drain flow can be controlled.

The gate 2 is closed, the passageway of going up low reaches is sealed, and the water is accumulated upstream, need not to open gate 2 for guaranteeing the ecological flow of low reaches, according to the required ecological flow of low reaches, opens the bleeder valve 4 in right amount, and then the upstream water flows to low reaches through the bleeder pipe 3, for low reaches supplementary ecological flow water, protects the ecological environment of low reaches, has good practicality.

The above-mentioned embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the present invention, so that equivalent changes or modifications made by the structure, features and principles of the present invention should be included in the claims of the present invention.

Claims

1. A novel ecological flow protection facility comprises gate piers (1) and gates (2), and is characterized by also comprising a plurality of groups of drainage members which are pre-embedded in the gate piers (1) and are arranged at intervals up and down, wherein each group of drainage members comprises a drainage pipe (3) and a drainage valve (4) for controlling the on-off of the drainage pipe (3);

the drainage pipes (3) penetrate through the gate piers (1) to drain water stored at the upstream to the downstream, connecting plates (5) are sleeved among water inlet ends of a plurality of groups of drainage pipes (3), the connecting plates (5) are detachably connected with the drainage pipes (3), and filter covers (6) are arranged outside the connecting plates (5) to filter sundries;

vertical shafts (7) are reserved in the gate piers (1) on the downstream side, the drain valves (4) are uniformly distributed in the vertical shafts (7), and an opening and closing cover (10) is arranged above the vertical shafts (7) to close the vertical shafts (7).

2. The novel ecological flow protection facility according to claim 1, wherein the drain pipe (3) is of a three-way pipe structure, the two symmetrically arranged ends of the drain pipe (3) are water inlet ends, the water inlet end of the drain pipe (3) is positioned in the gate pier (1) on the upstream side, and the water inlet end of the drain pipe (3) further extends out of the gate pier (1) and is connected with the connecting plate (5) through a bolt.

3. The new ecological flow protection facility, according to claim 2, is characterized in that the inlet end of the bleeder tube (3) is provided with a connecting flange (8);

the connecting plate (5) is of a rectangular groove structure, a plurality of groups of hole sites (9) are formed in the connecting plate (5), each group of hole sites (9) corresponds to the water inlet end of the drainage pipe (3), and the connecting plate (5) is connected with the connecting flange (8) through bolts.

4. The novel ecological flow protection facility according to claim 1, wherein the filter cover (6) is in a streamline profile shape formed by bending a filter screen, and the filter cover (6) covers the connecting plate (5) and is connected with the connecting plate (5) through a bolt.

5. The new ecological flow protection installation, according to claim 1, characterized in that, the said bleeder valve (4) is a butterfly valve.