CN110747984A - Be applied to automatic clearance impurity water conservancy pipeline of dykes and dams - Google Patents

Abstract

The invention discloses an automatic cleaning impurity water conservancy pipeline applied to a dam, comprising a pipeline, a primary filtering mechanism and a secondary filtering mechanism. The primary filtering mechanism comprises a rotating shaft, and a plurality of elastic blades are fixed on the rotating shaft. The middle is covered with a first-level filter screen, and a cleaning area is formed between each two adjacent elastic blades. A cleaning mechanism is arranged in the cleaning area. The cleaning mechanism includes a baffle, which can block the rotation of the elastic blades. When one side is rotated to the position of the baffle, the baffle can clean the impurities on the primary filter screen through the deformation of the elastic blade, and a first sewage storage pipe is arranged below the baffle; the secondary filter mechanism includes a secondary filter screen and a second filter. Second sewage storage pipe, the present invention uses the impact force of the water flow to make the elastic blades rotate and cooperate with the baffle to remove the impurities on the primary filter net by arranging elastic blades in the pipes.

Description

A water conservancy pipeline for automatic cleaning of impurities applied to dams

technical field

The invention relates to the technical field of water conservancy engineering, in particular to an automatic cleaning impurity water conservancy pipeline applied to dams.

Background technique

Water conservancy pipelines are facilities for controlling water flow. The water conservancy pipelines used in dams will always face the problem of blockage and the water contains large sediment, large impurities, aquatic plants, etc. These large impurities enter the water conservancy pipeline and cause blockage of the pipeline, even in the pipeline. If the filter screen is added to the middle, the large impurities often accumulate in front of the filter screen, and it is difficult to be discharged after being adsorbed on the filter screen. In the end, the more and more impurities accumulate, the filter screen and pipeline will be blocked.

In view of the above problems, in the existing anti-clogging water conservancy pipelines, a mixer is usually added in front of the filter screen, and the impurities and the water flow are separated by the mixer, and then the impurities are discharged through the sewage pipe. Strong, more and more accumulated, so this anti-clogging water conservancy pipeline has certain defects, the anti-clogging effect is not good, and the addition of a stirring net with a motor causes a waste of power resources, so the impurities that are adsorbed and accumulated in front of the filter screen How to effectively discharge the pipeline is the key to solving the problem.

SUMMARY OF THE INVENTION

In order to solve the problem that impurities are accumulated and adsorbed on the filter screen and are difficult to discharge, the present invention arranges rotatable elastic blades and baffles at the water inlet of the pipeline, large impurities are accumulated in front of the elastic blades, and the elastic blades are rotated by the impact force of the water flow. The baffle scrapes down the large impurities accumulated on the elastic blades, and all the impurities fall into the first sewage storage pipe. The water conservancy pipe greatly improves the ability of cleaning impurities and improves its own anti-clogging performance.

In order to solve the above problem, the present invention adopts the technical scheme as follows: comprising a pipeline, a primary filter mechanism arranged on one side of the water inlet in the pipeline, and a secondary filter mechanism arranged on the side of the water outlet in the pipeline, characterized in that: The first-stage filtering mechanism includes a rotating shaft placed horizontally in the pipeline and a first sewage storage pipe arranged on the side of the rotating shaft away from the water inlet. The first sewage storage pipe is located below the pipeline and communicated with the pipeline. A plurality of elastic blades are evenly fixed around it. The elastic blades are formed into a circle with the rotating shaft as the center, so as to rotate with the rotating shaft under the impact of the water flow. The annular central hollow area of the elastic blade is completely covered with a first-level filter screen, and a cleaning area is formed between any two adjacent elastic blades; a cleaning mechanism is provided next to the opening of the first sewage storage pipe in the pipeline, and the cleaning mechanism includes The baffle and the arc-shaped connecting rod on the rotation track of the elastic blade, the baffle is connected with the inner wall of the pipeline through the arc-shaped connecting rod, and the arc-shaped connecting rod extends the baffle into the cleaning area, and the elastic blade passes through the baffle during the rotation process. When the plate is deformed, the baffle rubs the impurities on the primary filter screen downward and makes the impurities enter the first sewage storage pipe; the secondary filter mechanism includes a secondary filter screen arranged along the width direction of the pipe and a The second sewage storage pipe on the side of the net away from the water outlet.

Preferably, a water blocking guide block for controlling the rotation direction of the elastic blade is provided on the side of the primary filter mechanism close to the water inlet, and the water blocking guide block is fixed on the inner wall of the pipe corresponding to the first sewage storage pipe and its surface Has a slope towards the axis of rotation.

Preferably, an auxiliary plate is provided on the baffle plate, and the auxiliary plate is connected with the arc-shaped connecting rod through an arc-shaped elastic sheet.

Preferably, several protrusions are provided on the surface of the baffle plate and the auxiliary plate on the side corresponding to the water inlet of the pipeline.

Preferably, the outer surfaces of the baffle plate and the auxiliary plate are provided with a rubber layer.

Preferably, both ends of the rotating shaft are provided with sealing rings.

Compared with the prior art, the beneficial effects of the present invention are as follows:

1) In the present invention, a rotating shaft is arranged in the pipeline, a plurality of elastic blades are arranged on the rotating shaft, and a first-level filter screen is arranged in the hollow of the elastic blade, and the impact force of the water flow is used to drive the elastic blade to rotate, and the cleaning mechanism is used to realize the cleaning mechanism. The impurities on the primary filter screen are efficiently cleaned, and then discharged through the first sewage storage pipe under the baffle, which enhances the ability and efficiency of impurity removal, and avoids the blockage of the pipeline caused by the accumulation of impurities in front of the elastic blades, which greatly improves the performance of the pipeline. Anti-blocking ability;

2) In the present invention, the auxiliary plate is arranged on the baffle plate, and the auxiliary plate can clean the dead angle on the side of the elastic blade close to the rotating shaft, which greatly enhances the cleaning efficiency and effect;

3) The present invention enhances the filtering ability and sewage discharge capacity of the pipeline by setting the secondary filter screen and the second sewage storage pipe at the water outlet of the pipeline;

4) In the present invention, the rubber layer is arranged on the baffle plate and the auxiliary plate, so as to avoid the damage caused by the baffle plate and the auxiliary plate to the elastic blade and the primary filter screen caused by long-term friction;

5) The present invention can clean up the impurities stuck in the filter holes of the primary filter by arranging protrusions on the baffle plate and the auxiliary plate;

6) The power source of the present invention is the impact force of the water flow, the resources are rationally utilized, and the waste of resources is avoided.

Description of drawings

Fig. 1 is the sectional view of the pipeline structure of the present invention;

Fig. 2 is the pipeline structure schematic diagram of the present invention;

Figure 3 is a schematic diagram of the structure of the baffle plate of the present invention;

Fig. 4 is the schematic diagram of baffle plate and elastic blade of the present invention;

5 is a schematic diagram of the structure of the elastic blade of the present invention;

Labels in the figure: 1. Pipeline, 101, Water inlet, 102, Water outlet, 2. Rotating shaft, 3. Elastic blade, 301, Primary filter, 4. Water blocking guide block, 5. Cleaning area, 6. Cleaning Mechanism, 601, arc connecting rod, 602, baffle plate, 603, arc shrapnel, 604, auxiliary plate, 605, protrusion, 7, first sewage storage pipe, 8, second sewage storage pipe, 9, secondary Filter, 10, sealing ring.

Detailed ways

The technical solutions of the present invention will be further described below with reference to specific embodiments.

As shown in the figure, a water conservancy pipeline for automatic cleaning of impurities applied to a dam includes a pipeline 1, a primary filter mechanism arranged on the side of the water inlet 101 in the pipeline 1 and a secondary filter mechanism arranged on the side of the water outlet 102 in the pipeline 1 The filter mechanism, the first-level filter mechanism includes a rotating shaft 2 horizontally placed in the pipe 1, a plurality of elastic blades 3 are evenly fixed around the rotating shaft 2, and the elastic blades 3 are formed into a circle with the rotating shaft 2 as the center, similar to a fan The elastic blade 3 can drive the rotating shaft 2 to rotate with the impact of the water flow. The inner wall of the pipeline 1 on the side of the first-stage filter mechanism close to the water inlet 101 is provided with a water blocking guide block 4, which can control the position of the water flow. , to prevent the elastic blade 3 from not turning or reversing, the elastic blade 3 is a deformable elastic semi-circle, the outer edge of the elastic blade 3 is closely matched with the inner wall of the pipe 1 without leaving a gap, and the hollow part of the middle of the elastic blade 3 is completely covered with a primary filter Net 301, a cleaning area 5 is formed between any two adjacent elastic blades 3; a cleaning mechanism 6 is provided on the opposite inner wall of the pipeline 1 and the water blocking guide block 4, and the cleaning mechanism 6 includes an arc-shaped connecting rod 601 , one end of the arc-shaped connecting rod 601 is fixed on the inner wall of the pipeline 1, and the other end of the arc-shaped connecting rod 601 extends into the cleaning area 5 and is provided with a baffle 602. The baffle 602 can block the rotation of the elastic blade 3, and the arc-shaped connecting rod 601 is high on the left and low on the right so that when the elastic blade 3 moves to the position of the baffle 602, the baffle 602 blocks the rotation of the elastic blade 3 and causes the elastic blade 3 to deform, so that the baffle 602 moves from the side of the elastic blade 3 close to the rotating shaft 2 to the outside Move to remove impurities and clean the surface of the elastic blade 3 and the primary filter screen 301 thereon, until the elastic blade 3 completely passes through the baffle 602, which is provided with an auxiliary plate 604, and the auxiliary plate 604 passes through the arc The shrapnel 603 is connected with the arc connecting rod 601, the auxiliary plate 604 can clean the dead angle of the elastic blade 3 close to the side of the rotating shaft 2, and the arc shrapnel 603 has high strength and elasticity, when the elastic blade 3 is deformed until it completely passes through the baffle At 602, the auxiliary plate 604 moves along the rotation direction of the elastic blade 3 under the driving of the arc-shaped elastic piece 603, and will not block the normal rotation of the elastic blade 3. A first sewage storage pipe 7 is arranged below the baffle 602, thereby The cleaned impurities are discharged. The secondary filter mechanism includes a secondary filter screen 9 and a second sewage storage pipe 8 arranged on the side of the secondary filter screen 9 away from the water outlet 102. The secondary filter screen 9 filters smaller impurities. .

Generally, the surfaces of the baffle plate 602 and the auxiliary plate 604 in contact with the elastic blades 3 are provided with a plurality of protrusions 605. The size of the protrusions 605 should be smaller than the filter holes on the primary filter screen 301. When the elastic blades 3 are deformed, The filter holes on the primary filter screen 301 are squeezed to become smaller, and the protrusions 605 can scrape off the large impurities stuck on the primary filter screen 301 . A layer of rubber is laid on the surfaces of the baffle 602 and the auxiliary plate 604 that are in contact with the elastic blades 3 to avoid damage caused by prolonged friction between the baffle 602 , the auxiliary plate 604 and the elastic blades 3 .

Generally, both ends of the rotating shaft 2 are provided with sealing rings 10 to prevent water leakage at the connection between the pipe 1 and the two ends of the rotating shaft 2 .

The above are only preferred embodiments of the present invention, and do not limit the present invention in any form. Although the present invention has been disclosed above with preferred embodiments, it is not intended to limit the present invention. Technical personnel, within the scope of the technical solution of the present invention, can make some changes or modifications to equivalent embodiments of equivalent changes by using the technical content disclosed above, provided that they do not depart from the content of the present invention, according to the present invention. Any simple modifications, equivalent changes and modifications made to the above embodiments still fall within the scope of the technical solutions of the present invention.

Claims (6)

1. A water conservancy pipeline for automatic cleaning of impurities applied to a dam, comprising a pipeline (1), a primary filter mechanism arranged on one side of a water inlet (101) in the pipeline (1), and a water outlet ( 102) A secondary filtering mechanism on one side, characterized in that: the primary filtering mechanism comprises a rotating shaft (2) horizontally placed in the pipeline (1) and a rotating shaft (2) disposed away from the water inlet (101) The first sewage storage pipe (7) on the side, the first sewage storage pipe (7) is located below the pipeline (1) and communicates with the pipeline (1), and the rotating shaft (2) is evenly fixed around it with a plurality of The elastic blade (3), the elastic blade (3) is formed into a circle with the rotating shaft (2) as the center so as to rotate with the rotating shaft (2) under the impact of the water flow, the elastic blade (3) is semi-circular and the elastic blade (3) The outer edge of the elastic blade (3) is closely fitted with the inner wall of the pipe (1). Area (5); a cleaning mechanism (6) is provided next to the opening of the first sewage storage pipe (7) in the pipeline (1), and the cleaning mechanism (6) includes a baffle plate on the rotational trajectory of the elastic blade (3). (602) and an arc connecting rod (601), the baffle (602) is connected with the inner wall of the pipe (1) through the arc connecting rod (601), and the arc connecting rod (601) extends the baffle (602) into the cleaning area (5), while the elastic blade (3) is deformed by the baffle plate (602) during the rotation, the baffle plate (602) rubs the impurities on the primary filter screen (301) downward and makes the impurities enter the first filter screen (301). A sewage storage pipe (7); the secondary filtering mechanism comprises a secondary filter screen (9) arranged along the width direction of the pipeline (1) and a second filter screen (9) arranged on the side of the secondary filter screen (9) away from the water outlet (102) Two sewage storage pipes (8). 2. The water conservancy pipeline for automatic cleaning of impurities applied to dams according to claim 1, characterized in that: a side of the first-stage filtering mechanism close to the water inlet (101) is provided with a function for controlling the rotation of the elastic blade (3) The water blocking guide block (4) in the direction of the water blocking guide block (4) is fixed on the inner wall of the pipe (1) corresponding to the first sewage storage pipe (7), and the surface of the water blocking guide block (4) has a changing pipe. (1) The slope surface where the inner and upper water flow makes the upper water flow inclined downward. 3. An automatic cleaning water conservancy pipeline applied to a dam according to claim 1, characterized in that: the baffle plate (602) is provided with an auxiliary plate (604), and the auxiliary plate (604) passes through the arc shrapnel (603) is connected with the arc connecting rod (601). 4. An automatic cleaning water conservancy pipeline applied to a dam according to claim 3, characterized in that: the baffle plate (602) and the auxiliary plate (604) correspond to one side of the water inlet (101) of the pipeline (1). There are several protrusions (605) on the surface. 5. The water conservancy pipeline for automatic cleaning of impurities applied to a dam according to claim 4, wherein a rubber layer is provided on the outer surfaces of the baffle plate (602) and the auxiliary plate (604). 6 . The automatic cleaning water conservancy pipeline applied to dams according to claim 1 , wherein the two ends of the rotating shaft ( 2 ) are provided with sealing rings. 7 .

Images