CN214808910U - Hydropower station water inlet end filtering device - Google Patents

Abstract

The utility model discloses a power station end filter equipment of intaking, include: a fixing frame; the filtering barriers are fixedly arranged in the fixing frame, two opposite sides of each filtering barrier are in a concave arc shape, and a water filtering channel is formed between every two adjacent filtering barriers; the cutting device comprises a rotating shaft and blades, the blades are spirally arranged along the rotating shaft, and the cutting device is in transition fit with the water filtering channel; the driving device comprises a motor and a plurality of gears meshed with each other, the gears are coaxially arranged with the rotating shaft and fixedly connected with the rotating shaft, and the motor drives the gears to rotate so as to drive the cutting device to operate. Through the filtering device at the water inlet end of the hydropower station, sundries among filtering barriers are effectively treated, and the power generation efficiency of the hydropower station is further improved.

Description

Hydropower station water inlet end filtering device

Technical Field

The utility model relates to a power station blocks dirty filtration technical field, especially relates to a power station end filter equipment of intaking.

Background

A hydropower station is a comprehensive engineering facility capable of converting water energy into electric energy, and generally comprises a reservoir formed by a water retaining building and a flood discharge building, a hydropower station water diversion system, a power generation plant, electromechanical equipment and the like.

Most of applied filtering devices of water inlet filtering devices of hydropower stations are trash racks which are arranged in front of the water inlet and are used for blocking sundries (generally called as dirt) such as aquatic weeds, floating trees and the like carried by water flow. The existing river has a lot of floating pollutants, and is mostly manually cleaned after entering a reservoir of a hydropower station, so that potential safety hazards exist and simultaneously potential safety hazards exist; on the other hand, the reservoir of the hydropower station uses a natural water source, is entrained with aquatic weeds, and the aquatic weeds are wound on the trash rack and accumulated for a long time, so that sundries are slowly precipitated to the bottom of the water, the trash rack is gradually corroded, meanwhile, the water inflow of a water inlet is reduced, and the power generation efficiency of the hydropower station is reduced.

SUMMERY OF THE UTILITY MODEL

In view of the above, there is a need for a filtering device for the inlet end of a hydroelectric power station, which solves the above mentioned problems in the prior art.

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

according to the utility model discloses an aspect provides a power station end filter equipment that intakes, include:

a fixed frame, one side of which is provided with a water inlet end;

the filtering barriers are fixedly arranged in the fixed frame and positioned at the water inlet end, two opposite sides of each filtering barrier are respectively in a concave arc shape, and a water filtering channel is formed between every two adjacent concave arc-shaped filtering barriers;

the cutting device comprises a rotating shaft and cutting edges, the rotating shaft extends from the bottom of the fixed frame to the top of the fixed frame, the cutting edges are spirally arranged along the rotating shaft, and the cutting device is in transition fit with the water filtering channel;

the driving device comprises a motor and a plurality of gears which are meshed with each other, the gears are coaxially arranged with the rotating shaft and fixedly connected with the rotating shaft, and the motor drives the gears to rotate so as to drive the cutting device to operate;

and the collecting device is arranged in the fixed frame and is used for collecting the cut sundries.

According to some embodiments, the collecting device can adjust the size of the accommodating space according to the change of the water level;

one side of the collecting device facing the filtering barrier is provided with an opening so as to collect sundries.

According to some embodiments, the collecting device comprises a telescopic assembly and a net cage, the telescopic assembly is arranged at the top of the fixed frame, and the output end of the telescopic assembly is fixedly connected with the top of the net cage.

According to some embodiments, the collecting device further comprises a water level sensor provided on the filtering barrier to measure a water level of the stored water;

the controller respectively with level sensor with flexible subassembly electric connection, the controller is in order to control through the water level change flexible subassembly is flexible.

According to some embodiments, the motor is a forward and reverse motor to drive forward and reverse rotation of a plurality of meshed gears.

According to some embodiments, the motor is disposed at one side of the fixed frame and drives the gear located at the head to rotate.

According to some embodiments, the filtration railings are arranged at equal intervals;

each gear is in the same horizontal plane and the footpath length is equal, the gear is made by stainless steel material.

According to some embodiments, the cutting device further comprises a bearing fixedly installed at the bottom of the fixed frame and rotatably connected with one end of the rotating shaft, which is far away from the gear.

Compared with the prior art, the beneficial effects of the utility model are as follows:

this power station is intake and is held filter equipment at the implementation in-process, and cutting device locates between two adjacent filtration barriers, through drive arrangement drive multiunit cutting device for the rotatory debris that block on the filtration barrier of cutting edge in the axis of rotation cuts the processing, collects the back debris by collection device again. Meanwhile, when the driving device drives the cutting edges of the plurality of groups of cutting devices to rotate upwards along the rotating shaft in a spiral mode, sundries at the deep water level are transmitted to the water surface, part of the sundries at the deep water level are transmitted to the water surface through the cutting edges, and sundry fragments on the water surface are effectively collected by the collecting device, so that the sundries among the filtering grids are effectively treated, and the power generation efficiency of the hydropower station is improved.

Drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a filtering device at a water inlet end of a hydropower station provided by the utility model;

fig. 2 is the utility model provides a pair of power station is intake and is held filter equipment's stirring subassembly schematic structure.

In the figure: a fixing frame 100; a filtering barrier 200; a cutting device 300; a rotating shaft 310; a blade edge 320; a bearing 330; a drive device 400; a motor 410; a gear 420; the collection device 500.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Please refer to fig. 1 to 2, the utility model provides a power station is intake and is held filter equipment, the utility model discloses well filter equipment includes fixed frame 100, filter barrier 200, cutting device 300, drive arrangement 400 and collection device 500, wherein filter barrier 200 locates fixed frame 100, cutting device 300 locates between two adjacent concave arc shape filter barriers 200, the debris that block on filtering barrier 200 are cut the clearance through drive arrangement 400 drive multiunit cutting device 300, and can transmit the debris of deep water position department to the surface of water through cutting device 300, collect cutting back debris by collection device 500, and avoid the power station's the winding of the water surface floating debris of power station and the deep debris of water layer to influence the generating efficiency of power station on filtering barrier 200, its specific scheme is as follows.

One side of the fixed frame 100 is provided with a water inlet end, the filtering barriers 200 are fixedly installed in the fixed frame 100 and located at the water inlet end, wherein two opposite sides of the filtering barriers 200 are respectively in a concave arc shape, and a space between two adjacent filtering barriers 200 in the concave arc shape forms a water filtering channel so as to block sundries in water through the filtering barriers 200.

Cutting device 300 includes axis of rotation 310 and cutting edge 320, axis of rotation 310 extends to fixed frame 100 top from fixed frame 100 bottom, cutting edge 320 is the heliciform along axis of rotation 310 and arranges, cutting device 300 and drainage channel transition fit, carry out cutting treatment to filtration barrier 200 and the interior debris of drainage channel through cutting device 300, make the debris of card between two barriers not hard up, in addition, the axis of rotation 310 and the upwards spiral rotation of cutting edge 320 through control cutting device 300, with the deep debris transmission of water level to the surface of water, be convenient for debris are collected.

The driving device 400 includes a motor 410 and a plurality of gears 420 engaged with each other, the gears 420 are coaxially disposed with the rotating shaft 310 and fixedly connected to each other, and the motor 410 drives the gears 420 to rotate to drive the cutting device 300 to operate.

The collecting device 500 is disposed in the fixing frame 100 and used for collecting the cut sundries. Wherein the collecting device 500 has a net structure to filter moisture.

In the above scheme, in the implementation process of the filtering device at the water inlet end of the hydropower station, the cutting device 300 is arranged between two adjacent filtering barriers 200, the driving device 400 drives a plurality of groups of cutting devices 300, so that the cutting edge 320 on the rotating shaft 310 rotates to cut the sundries blocked on the filtering barriers 200, and then the collecting device 500 collects the cut sundries. Meanwhile, when the driving device 400 drives the blades 320 of the multiple groups of cutting devices 300 to rotate upwards along the rotating shaft 310 in a spiral manner, sundries at the deep water level are transmitted to the water surface, part of the sundries at the deep water level are transmitted to the water surface through the blades 320, and sundry fragments on the water surface are effectively collected by the collecting device 500, so that sundries wound at the bottom of the filtering barrier 200 are effectively treated, and the power generation efficiency of the hydropower station is improved.

According to some embodiments, since the water level is constantly changed, the water level of the filtering barrier 200 is changed along with the change of the water level, and the water level stored in the reservoir is also different, in order to allow the collecting device 500 to accommodate more impurities, in this embodiment, the collecting device 500 may adjust the size of the accommodating space according to the change of the water level, and an opening is provided at one side of the collecting device 500 facing the filtering barrier 200 to facilitate the collection of the impurities.

Wherein, collection device 500 includes flexible subassembly and box with a net, and the top of fixed frame 100 is located to flexible subassembly, and the output of flexible subassembly is connected with the top of box with a net. The telescopic assembly is telescopic, and the water level changes to push the height change of the net cage, so that the net cage can efficiently collect sundries with different water level changes. The telescopic assembly can be one of a hydraulic cylinder, a gas cylinder or gas

Further, the collecting device 500 further includes a water level sensor disposed on the filtering barrier 200 to measure a water level of the stored water, and a controller (not shown in the drawings) electrically connected to the water level sensor and the telescopic member, respectively, and controlling the telescopic member to be telescopic by a water level change. Therefore, the automatic control of the telescopic assembly to stretch along with the change of the water level is realized, and the collecting device 500 can effectively collect the sundries cut by the cutting device 300.

According to some embodiments, the motor 410 is a forward and reverse motor 410 to drive the plurality of meshed gears 420 to rotate in forward and reverse directions. Therefore, the motor 410 rotates forward and backward to drive the cutting edge 320 of the cutting device 300 to rotate upwards or downwards along the rotating shaft 310, and particularly, when the cutting edge 320 rotates upwards along the rotating shaft 310, impurities at the bottom of the water can be stirred and transmitted to the water surface to be collected by the collecting device 500.

The motor 410 of the driving device 400 can be disposed at any position of the fixing frame 100, and when the motor 410 is disposed at one side of the fixing frame 100, the motor drives the first gear 420 to rotate, so that the gears 420 transmit in the same direction, and the cutting blades 320 of the cutting device 300 are driven to rotate in the same direction along the rotating shaft 310.

The filtering barriers 200 are arranged at equal intervals, each gear 420 is positioned on the same horizontal plane and has the same diameter and length, and the gears 420 are made of stainless steel materials. And the practicability of the filtering device at the water inlet end of the hydropower station is stronger.

The filtering device at the water inlet end of the hydropower station is further provided with a bearing 330 which is fixedly arranged at the bottom of the fixing frame 100 and is rotatably connected with one end of the rotating shaft 310 departing from the gear 420. The driving device 400 can stably drive the rotating shaft 310 to rotate, so that the stability of the cutting device 300 is improved, and the cutting effect on sundries is better.

The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the terms according to specific situations.

Claims (8)

1. The utility model provides a power station is intake and is held filter equipment which characterized in that includes:

a fixed frame, one side of which is provided with a water inlet end;

the filtering barriers are fixedly arranged in the fixed frame and positioned at the water inlet end, two opposite sides of each filtering barrier are respectively in a concave arc shape, and a water filtering channel is formed between every two adjacent concave arc-shaped filtering barriers;

the cutting device comprises a rotating shaft and cutting edges, the rotating shaft extends from the bottom of the fixed frame to the top of the fixed frame, the cutting edges are spirally arranged along the rotating shaft, and the cutting device is in transition fit with the water filtering channel;

the driving device comprises a motor and a plurality of gears which are meshed with each other, the gears are coaxially arranged with the rotating shaft and fixedly connected with the rotating shaft, and the motor drives the gears to rotate so as to drive the cutting device to operate;

and the collecting device is arranged in the fixed frame and is used for collecting the cut sundries.

2. The hydropower station water inlet end filter device according to claim 1,

the collecting device can adjust the size of the accommodating space according to the change of the water level;

one side of the collecting device facing the filtering barrier is provided with an opening so as to collect sundries.

3. The hydropower station water inlet end filter device according to claim 2,

the collecting device comprises a telescopic assembly and a net cage, the telescopic assembly is arranged at the top of the fixed frame, and the output end of the telescopic assembly is fixedly connected with the top of the net cage.

4. A hydropower station water inlet end filter device according to claim 3,

the collecting device also comprises a water level sensor and a controller, wherein the water level sensor is arranged on the filtering barrier to measure the water level of the stored water;

the controller respectively with level sensor with flexible subassembly electric connection, the controller is in order to control through the water level change flexible subassembly is flexible.

5. The hydropower station water inlet end filter device according to claim 1,

the motor is a positive and negative motor to drive the plurality of meshed gears to rotate positively and negatively.

6. A hydropower station water inlet end filter device according to claim 5,

the motor is arranged on one side of the fixed frame, and the gear is driven to rotate and located at the head position.

7. The hydropower station water inlet end filter device according to claim 1,

the filtering barriers are arranged at equal intervals;

each gear is in the same horizontal plane and the footpath length is equal, the gear is made by stainless steel material.

8. The hydropower station water inlet end filter device according to claim 1,

the cutting device further comprises a bearing which is fixedly arranged at the bottom of the fixed frame and is rotatably connected with one end of the rotating shaft, which deviates from the gear.

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