CN217814013U - Sludge anti-blocking mechanism for submersible backflow pump - Google Patents

Abstract

The utility model provides a sludge anti-blocking mechanism for a submersible return pump, which comprises a primary filter tank and a secondary filter tank which are overlapped up and down; the side wall of the primary filtering tank is communicated with a water inlet pipe, and a filtering pipeline for communicating the secondary filtering tank is arranged at the axis inside the primary filtering tank; a sedimentation tank is arranged at the axis inside the secondary filtering tank, a water inlet of the sedimentation tank is positioned right below a water outlet of the filtering pipeline, the diameter of the water inlet of the sedimentation tank is larger than that of a water outlet of the filtering pipeline, a support column for connecting the secondary filtering tank is arranged at the bottom of the sedimentation tank, a gap formed between the inside of the secondary filtering tank and the sedimentation tank is a drainage cavity, and the lower end of the secondary filtering tank is connected with a drainage tube communicated with the drainage cavity; the utility model discloses a cooperation of one-level filtering pond and second grade filtering ponds is used, has at first filtered great mud, granules such as silt, overflows after further deposiing in inferior sedimentation tank, can effectively avoid the entering dive backwash pump of mud from the source, improves the effect that prevents blocking of dive backwash pump.

Description

Sludge anti-blocking mechanism for submersible backflow pump

Technical Field

The utility model relates to a dive backwash pump field especially relates to dive backwash pump is with mud anti-blocking mechanism.

Background

The submersible reflux pump is a professional device for reflux and denitrification of mixed liquor of a secondary sewage treatment plant, and can also be used for pumping and purifying water, irrigating and controlling a water channel system during ground drainage, and places with micro-lift and large flow are needed in a recycling or slurry pumping loop in the wastewater treatment process.

Dive backwash pump often near the water intaking environment has mud, impurity such as silt exists, immersible pump on condition market such as jam and backward flow often can take single filter screen structure to filter in order to prevent to lead to taking place along with the rivers together to get into its input, but it still has partial mud in the use, granule such as silt is together extracted along with rivers, and this part silt granule leads to it to be can attached to the immersible pump inner wall before assembling at pump body middle part because of the flow direction and the stroke problem of rivers, lead to the equipment can the jam condition along with the increase of live time, more can accelerate life's loss.

Therefore, it is urgently needed to develop a submersible reflux pump with a sludge-preventing and anti-blocking mechanism to help people solve the existing problems.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned defect of prior art, the utility model provides a dive is mud anti-blocking mechanism for backwash pump has realized avoiding the entering dive backwash pump of mud from the source, has solved and has now can adhere to the immersible pump inner wall because of partial silt granule, leads to equipment problem that the jam can appear along with the increase of live time.

For realizing the above-mentioned entering dive backwash pump purpose of avoiding mud from the source, the utility model provides a following technical scheme: the sludge anti-blocking mechanism for the submersible reflux pump comprises a primary filtering tank and a secondary filtering tank which are vertically overlapped;

the side wall of the primary filtering tank is communicated with a water inlet pipe, and a filtering pipeline for communicating the secondary filtering tank is arranged at the axis inside the primary filtering tank;

the inside axle center department of second grade filtering ponds is equipped with the sedimentation tank, and the water inlet of sedimentation tank is located the filtration pipeline delivery port under, and the water inlet diameter of sedimentation tank is greater than filtration pipeline outlet diameter, and the sedimentation tank bottom is equipped with the support column that is used for connecting the second grade filtering ponds, and the inside space that forms with the sedimentation tank of second grade filtering ponds is the drainage chamber, and the second grade filtering ponds lower extreme is connected with the drainage tube that communicates to the drainage chamber.

Furthermore, a gap formed between the filtering pipeline and the inner part of the primary filtering tank is a sludge accumulation cavity.

Furthermore, the side wall of the primary filter tank is provided with a blow-off pipe communicated with the sludge retention cavity, and the blow-off pipe is positioned below the water inlet pipe.

Furthermore, a flange plate is arranged at the joint of the drainage tube and the secondary filter tank and is fixedly connected with the secondary filter tank through the flange plate.

Furthermore, the number of the support columns is four, the support columns correspond to four corners of the flange plate one by one, and the support columns sequentially penetrate through the secondary filter tank and the flange plate and fix the flange plate through nuts.

Furthermore, the primary filtering tank and the secondary filtering tank are both composed of a barrel with an open upper end and an end cover connected to the barrel.

Further, above-mentioned second grade filtering ponds are equipped with the stand along the lateral wall, and the stand is equipped with a plurality ofly along second grade filtering ponds circumferencial direction equidistance, all is equipped with on every stand to be used for opening and close the hasp of end cover in the second grade filtering ponds.

The utility model has the advantages that:

firstly, the utility model discloses to how to solve the current problem that can lead to equipment to appear the jam along with the increase of live time because of some silt particle can adhere to the immersible pump inner wall, this immersible return pump is with mud anti-clogging mechanism, through the cooperation use of primary filter tank and secondary filter tank, has filtered great mud, granule such as silt at first, overflows after further sedimentation in secondary sedimentation tank, can effectively avoid the entering dive return pump of mud from the source, improve the effect of preventing the jam of dive return pump;

furthermore, the sludge anti-blocking mechanism for the submersible return pump avoids blockage of particles such as sludge, silt and the like in a sludge accumulation cavity, is provided with a blow-off pipe, effectively cleans the particles such as sludge, silt and the like, and ensures normal use of a filter pipeline;

further, this dive is sludge anti-clogging mechanism for return pump, primary filter tank and second grade filter tank constitute by bucket and end cover, and it is more convenient to the washing or the change of filter line to and the washing of sedimentation tank.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a sectional view of the whole structure of the present invention;

in the figure, the position of the upper end of the main shaft,

1. a primary filtering tank; 2. a secondary filtering tank; 3. a water inlet pipe; 4. filtering the pipeline; 5. a sedimentation tank; 6. a support column; 7. a drainage cavity; 8. a drainage tube; 9. a sludge retention cavity; 10. a sewage discharge pipe; 11. a flange plate; 12. and (7) a vertical column.

Detailed Description

In order to make the technical solutions of the present invention better understood and make the above features, objects, and advantages of the present invention more comprehensible, the present invention is further described below with reference to the following examples. The examples are intended to illustrate the invention and are not intended to limit the scope of the invention.

As shown in figures 1-2, the utility model comprises: the primary filter tank 1 and the secondary filter tank 2 that stack set up from top to bottom constitute, and primary filter tank 1 and secondary filter tank 2 constitute by the bucket that the upper end is the opening form and the end cover of connection on the bucket, are convenient for wash or change the odd numbers that the primary filter tank 1 and the secondary filter tank 2 inside set up.

The side wall of the primary filtering tank 1 is communicated with a water inlet pipe 3, and a filtering pipeline 4 for communicating the secondary filtering tank 2 is arranged at the inner axis of the primary filtering tank 1 and is used for filtering larger particles such as sludge, silt and the like; a gap formed between the filtering pipeline 4 and the inner part of the primary filtering tank 1 is a sludge retention cavity 9; the lateral wall of the primary filter tank 1 is provided with a drain pipe 10 communicated with the sludge retention cavity 9, and the drain pipe 10 is positioned below the water inlet pipe 3 and used for cleaning particles such as large sludge and silt and ensuring the normal use of the filter pipeline.

A sedimentation tank 5 is arranged at the axis inside the secondary filtering tank 2, the water inlet of the sedimentation tank 5 is positioned right below the water outlet of the filtering pipeline 4, and the diameter of the water inlet of the sedimentation tank 5 is larger than that of the water outlet of the filtering pipeline 4, so that the filtered water source with smaller sludge and silt particles is prevented from directly flowing into the drainage cavity 7; a supporting column 6 for connecting the secondary filtering tank 2 is arranged at the bottom of the sedimentation tank 5, a drainage cavity 7 is formed by the inner part of the secondary filtering tank 2 and the sedimentation tank 5, and a water source after sedimentation overflows the sedimentation tank 5 and is discharged through the drainage cavity 7; the lower end of the secondary filter tank 2 is connected with a drainage tube 8 communicated to the drainage cavity 7, and the drainage tube 8 is used for connecting a submersible reflux pump; a flange plate 11 is arranged at the joint of the drainage tube 8 and the secondary filter tank 2 and is fixedly connected with the secondary filter tank 2 through the flange plate 11; the number of the support columns 6 is four, the support columns correspond to four corners of the flange plate 11 one by one, the support columns 6 sequentially penetrate through the secondary filter tank 2 and the flange plate 11, and the flange plate 11 is fixed through nuts and is used for fixing the position of the sedimentation tank 5.

In addition, second grade filtration pond 2 is equipped with stand 12 along the lateral wall, and stand 12 is equipped with a plurality ofly along 2 circumferencial direction equidistance in the second grade filtration pond, all is equipped with the hasp that is arranged in opening and close second grade filtration pond 2 middle-end cover on every stand 12, strengthens this submerged return pump and prevents the stability of blocking mechanism working process with mud.

In use,

the submersible reflux pump can start to work only by connecting the submersible reflux pump with the drainage tube 8, water source with particles such as sludge, silt and the like enters from the water inlet tube 3, larger sludge and silt particles are filtered by the filtering pipeline 4, the water flows into the sedimentation tank 5, is deposited for a period of time and overflows to the drainage cavity 7, and then is discharged into the submersible reflux pump through the drainage tube 8 so as to ensure that the submersible reflux pump is not blocked;

due to long-time work or accumulation, larger particles such as sludge, silt and the like in the sludge retention cavity 9 are discharged through the sewage discharge pipe 10, so that the normal use of the filter pipeline 4 is ensured.

The above-described embodiments are merely illustrative of the principles and utilities of the present patent application and are not intended to limit the present patent application. Those skilled in the art can modify and/or change the above-described embodiments without departing from the spirit and scope of the present application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of this patent application.

Claims (7)

1. The sludge anti-blocking mechanism for the submersible reflux pump is characterized by comprising a primary filtering tank (1) and a secondary filtering tank (2) which are vertically overlapped;

the side wall of the primary filtering tank (1) is communicated with a water inlet pipe (3), and a filtering pipeline (4) for communicating the secondary filtering tank (2) is arranged at the axis inside the primary filtering tank (1);

the utility model discloses a drainage device, including secondary filter tank (2), sedimentation tank (5), the water inlet of sedimentation tank (5) is located under filtering pipe (4) delivery port, just the water inlet diameter of sedimentation tank (5) is greater than filtering pipe (4) delivery port diameter, sedimentation tank (5) bottom is equipped with support column (6) that are used for connecting secondary filter tank (2), the inside space that forms with sedimentation tank (5) of secondary filter tank (2) is drainage chamber (7), secondary filter tank (2) lower extreme is connected with drainage tube (8) that communicate to drainage chamber (7).

2. The sludge anti-clogging mechanism for a submersible return pump according to claim 1, characterized in that: and a sludge accumulation cavity (9) is formed in a gap formed between the filtering pipeline (4) and the inside of the primary filtering tank (1).

3. The sludge anti-clogging mechanism for a submersible return pump according to claim 2, characterized in that: the sewage draining pipe (10) communicated with the sludge retention cavity (9) is arranged on the side wall of the primary filtering tank (1), and the sewage draining pipe (10) is positioned below the water inlet pipe (3).

4. The sludge anti-clogging mechanism for a submersible return pump according to claim 1, characterized in that: and a flange plate (11) is arranged at the joint of the drainage tube (8) and the secondary filter tank (2) and is fixedly connected with the secondary filter tank (2) through the flange plate (11).

5. The sludge anti-clogging mechanism for a submersible reflux pump according to claim 4, characterized in that: the supporting columns (6) are four and correspond to four corners of the flange plate (11) one by one, the supporting columns (6) sequentially penetrate through the secondary filter tank (2) and the flange plate (11), and the flange plate (11) is fixed through nuts.

6. The sludge anti-clogging mechanism for a submersible reflux pump according to claim 1, characterized in that: the primary filtering tank (1) and the secondary filtering tank (2) are both composed of a barrel with an open upper end and an end cover connected to the barrel.

7. The sludge anti-clogging mechanism for a submersible return pump according to claim 6, characterized in that: secondary filter pond (2) are equipped with stand (12) along the lateral wall, stand (12) are equipped with a plurality ofly, every along secondary filter pond (2) circumferencial direction equidistance all be equipped with on stand (12) and be used for opening and close the hasp of end cover in secondary filter pond (2).

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