CN112412825A

CN112412825A - Semi-submersible sewage pump for integrated pump station

Info

Publication number: CN112412825A
Application number: CN202011416278.9A
Authority: CN
Inventors: 李加志; 孙海晓
Original assignee: Zhejiang Fengyuan Pump Industry Co ltd
Current assignee: Zhejiang Fengyuan Pump Industry Co ltd
Priority date: 2020-12-04
Filing date: 2020-12-04
Publication date: 2021-02-26

Abstract

The invention provides a semi-submersible sewage pump for an integrated pump station, and belongs to the technical field of machinery. It has solved the sealed easy inefficacy of placing in the header tank in the current dredge pump and its motor and has intake and the inconvenient problem of dismouting maintenance. This a semi-submerged formula dredge pump for integral type pump station, the integral type pump station includes the water tank, the lower extreme of water tank is equipped with the step, be equipped with a plurality of openings outlet up on the step, this dredge pump is vertical to be linked firmly on the step of water tank, the dredge pump is including the motor and the pump body that are vertical setting, be equipped with impeller and pivot in the pump body, be equipped with into water end and play water end on the pump body, it is located the lower extreme of the pump body to intake the end, a serial communication port, the motor is located the upper end of the pump body, it inserts to the outlet to intake the end, the lateral wall of the pump body is equipped with flange. This a semi-submerged formula dredge pump for integral type pump station has the difficult advantage that intakes and dismouting maintenance convenience of motor.

Description

Semi-submersible sewage pump for integrated pump station

Technical Field

The invention belongs to the technical field of machinery, and relates to a sewage pump, in particular to a semi-submersible sewage pump for an integrated pump station.

Background

With the continuous development of economic society and the increasing living standard of people, the requirement of people on the quality of the living environment is higher and higher. At present, the house construction of China is mainly divided into five main categories of houses for enterprise units, hospitals, hotels, high-rise buildings and houses for residents, and generally, the houses constructed in the modern times are additionally provided with underground sewage treatment chambers. Because the treated sewage has large area, a sewage treatment plant is constructed to realize the treatment of the sewage in a centralized treatment mode. The centralized treatment of sewage needs to concentrate the large tracts of land sewage of emission and carries sewage treatment plant, and in sewage transportation process, because the way is far away, sewage need deliver to sewage treatment plant through sewage pipeline after the sewage hoisting station promotes.

The sewage lifting pump station used in the prior art in China generally adopts the mode of a sump pit to discharge sewage, and mainly comprises: the sewage collecting pit, dredge pump, liquid level controller and electric cabinet locate the sump in dredge pump and the liquid level controller, and both unify and insert the electric cabinet through respective cable.

An integrated pump station (application number: 201921345529.1) as disclosed in the Chinese patent literature includes: the device comprises a pump station integrated cylinder, a separated cylinder, a pressure pipeline, a sewage pump and a vertical grid; the bottom of the pump station integrated cylinder is communicated with the bottom of the separated cylinder; the size of the separated barrel and the size of the pump station integrated barrel are different, a water inlet pipe connector used for being communicated with a water inlet pipe is arranged on the side wall of the separated barrel, and the vertical type grid is arranged at the bottom of the separated barrel; the pressure pipeline is positioned inside the pump station integrated barrel, the lower end of the pressure pipeline is communicated with a sewage pump positioned at the bottom of the pump station integrated barrel, and the upper end of the pressure pipeline is communicated with a water outlet and flow converging main pipe positioned in the pump station integrated barrel. However, the sewage pump is arranged in the water collecting tank and works under sewage for a long time, the sealing of the motor is easy to lose efficacy and water enters, and the sewage pump is inconvenient to disassemble, assemble and maintain.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides a semi-submersible sewage pump for an integrated pump station, which is not easy to feed water into a motor and convenient to disassemble, assemble and maintain.

The purpose of the invention can be realized by the following technical scheme: a semi-submerged formula dredge pump for integral type pump station, integral type pump station include the water tank, the lower extreme of water tank be equipped with the step, the step on be equipped with a plurality of openings outlet up, this dredge pump is vertical to be linked firmly on the step of water tank, the dredge pump including the motor and the pump body that are vertical setting, the pump body in be equipped with impeller and pivot, the pump body on be equipped with into water end and play water end, the lower extreme that the end of intaking be located the pump body, its characterized in that, the motor be located the upper end of the pump body, the end of intaking insert to the outlet, the lateral wall of the pump body be equipped with flange, flange can paste and lean on the step and with the water tank link firmly mutually.

When the sewage pump is installed, the water inlet end of the sewage pump is inserted into the water outlet on the step, and the pump body is fixedly connected with the water tank through the connecting flange. At the during operation, drive pivot and impeller through the motor and rotate, inhale the sewage of inlet end department and discharge through outlet end, because the motor of this dredge pump is located the upper end of the pump body, the flange of the pump body pastes and leans on and connects on the step, therefore the motor is difficult to cause the damage because of intaking, has the convenient advantage of dismouting maintenance simultaneously.

In foretell a semi-submerged formula dredge pump for integral type pump station, the port department of the end of intaking link firmly fixed blade, the lower extreme of impeller link firmly cutting blade, just cutting blade's lower terminal surface paste nearly with fixed blade. Through setting up foretell fixed blade and cutting blade, cut the filth that flows through the end port of intaking, improved the blowdown effect.

In foretell a semi-submerged formula dredge pump for integral type pump station, the impeller include discoid wheel body, the lower terminal surface of wheel body be equipped with spiral helicine water conservancy diversion piece, cutting blade set up the lower extreme at the water conservancy diversion piece.

In the semi-submersible sewage pump for the integrated pump station, the cutting blade and the flow deflector are of an integrated structure. Cutting blade and water conservancy diversion piece structure as an organic whole have improved the water conservancy diversion effect, have improved intensity simultaneously to cutting blade's cutting effect has been improved.

In the semi-submersible sewage pump for the integrated pump station, the cutting blade is fixedly connected with the lower end of the rotating shaft. The cutting blade is fixedly connected with the rotating shaft, and has the advantages of convenient disassembly and assembly and convenient manufacture.

In foretell a semi-submerged formula dredge pump for integral type pump station, the casing of motor on be equipped with the circulation passageway of vertical setting, the lower extreme of circulation passageway with the play water end of the pump body be linked together, the upper end of circulation passageway for the drain that the opening set up. The circulation passageway sets up on the casing, can cool down the casing of motor and make the drain set up, makes the advantage that connects convenience and structural strength is high.

In the semi-submersible sewage pump for the integrated pump station, a mechanical seal is arranged between the rotating shaft and the pump body. And a mechanical seal is arranged between the rotating shaft and the pump body, so that the pump has the advantage of good sealing effect.

In the semi-submersible sewage pump for the integrated pump station, the connecting flange is fixedly connected with the water tank through bolts. The connecting flange is fixedly connected with the water tank through bolts, and has the advantages of firm connection and convenience in disassembly and assembly.

In the semi-submersible sewage pump for the integrated pump station, the pump body is provided with the exhaust pipe, one end of the exhaust pipe is communicated with the pump body, and the other end of the exhaust pipe is communicated with the water tank. The during operation can get rid of the air in the pump body through the blast pipe, avoids the pump body in the air make this dredge pump unable normal drainage after starting, and the other end and the water tank of blast pipe are linked together, can arrange gas to the water tank in, avoid normal contaminated air.

Compared with the prior art, this a semi-submerged formula dredge pump for integral type pump station has an advantage:

1. because the motor of the sewage pump is positioned at the upper end of the pump body, and the connecting flange of the pump body is attached to and connected with the step, the motor is not easy to be damaged due to water inflow, and the sewage pump has the advantage of convenient disassembly, assembly and maintenance;

2. by arranging the fixed blade and the cutting blade, the dirt flowing through the port of the water inlet end is cut, so that the pollution discharge effect is improved;

3. the cutting blade and the flow deflector are of an integral structure, so that the flow guiding effect is improved, and the strength is improved, so that the cutting effect of the cutting blade is improved;

4. the circulation passageway sets up on the casing, can cool down the casing of motor and make the drain set up, makes the advantage that connects convenience and structural strength is high.

Drawings

Fig. 1 is a perspective view of the present semi-submersible sewage pump for an integrated pump station.

Fig. 2 is a schematic perspective view of the dredge pump installed in the integrated pump station.

FIG. 3 is a schematic view of a partial cross-section of the dredge pump installed in an integrated pumping station.

Fig. 4 is an exploded schematic view of the impeller and the stationary blade of the present dredge pump.

In the figure, 1, a motor; 1a, a flow channel; 1b, a sewage draining outlet; 2. a pump body; 2a, a water inlet end; 2b, a water outlet end; 2c, connecting a flange; 3. an impeller; 3a, a wheel body; 3b, flow deflectors; 4. a rotating shaft; 5. fixing a blade; 6. a cutting blade; 7. an exhaust pipe; 8. a water tank; 8a, a step; 8b, a water outlet.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 4, a semi-submerged formula dredge pump for integral type pump station, integral type pump station include water tank 8, and the lower extreme of water tank 8 is equipped with step 8a, is equipped with a plurality of openings outlet 8b up on the step 8a, and this dredge pump is vertical to be linked firmly on step 8a of water tank 8, and the dredge pump is equipped with impeller 3 and pivot 4 including the motor 1 and the pump body 2 that are vertical setting in the pump body 2, is equipped with mechanical seal between the pivot 4 and the pump body 2. Be equipped with into water end 2a and play water end 2b on the pump body 2, the end 2a that intakes is located the lower extreme of the pump body 2, and motor 1 is located the upper end of the pump body 2, and intake end 2a inserts to outlet 8b, and the lateral wall of the pump body 2 is equipped with flange 2c, and flange 2c can paste and lean on step 8a and link firmly mutually with water tank 8 through the bolt.

The port department of end 2a intakes has linked firmly fixed blade 5, and the lower extreme of impeller 3 has linked firmly cutting blade 6, and cutting blade 6 lower terminal surface press close to with fixed blade 5, cuts the filth of the end 2a port of intaking to the flow, has improved the blowdown effect. The fixed blade 5 is provided with saw-toothed blade teeth.

Impeller 3 includes discoid wheel body 3a, and the lower terminal surface of wheel body 3a is equipped with spiral helicine water conservancy diversion piece 3b, and cutting blade 6 sets up the lower extreme at water conservancy diversion piece 3b, and cutting blade 6 and water conservancy diversion piece 3b structure as an organic whole have improved the water conservancy diversion effect, have improved intensity simultaneously to cutting blade 6's cutting effect has been improved.

As another mode, the cutting blade 6 is fixedly connected with the lower end of the rotating shaft 4, and the cutting device has the advantages of being convenient to disassemble and assemble and convenient to manufacture.

Be equipped with the circulation passageway 1a of vertical setting on the casing of motor 1, the lower extreme of circulation passageway 1a is linked together with the play water end 2b of the pump body 2, and the upper end of circulation passageway 1a is the drain 1b that the opening set up upwards. Circulation passageway 1a sets up on the casing, can cool down the casing of motor 1 and make drain 1b set up, makes the advantage that connects convenience and structural strength is high.

Be equipped with blast pipe 7 on the pump body 2, the one end and the pump body 2 of blast pipe 7 are linked together, and the other end and the water tank 8 of blast pipe 7 are linked together, avoid the pump body 2 in exist the air make this dredge pump unable normal drainage after starting, the other end and the water tank 8 of blast pipe 7 are linked together, can arrange gas to the water tank 8 in, avoid air pollution.

When the installation, insert the outlet 8b on the 8a of step with the end 2a that intakes of this dredge pump, can paste flange 2c and lean on step 8a and link firmly mutually with water tank 8 through the bolt. During operation, sewage is discharged into the water tank 8, the sewage enters the pump body 2 from the water inlet end 2a, air in the pump body 2 is discharged into the water tank 8 through the exhaust pipe 7, air pollution outside the water tank 8 is avoided, the motor 1 drives the rotating shaft 4 and the impeller 3 to rotate, the sewage at the water inlet end 2a is sucked, the rotating shaft 4 drives the cutting blade 6 to rotate relative to the fixed blade 5, impurities in the sewage are cut up, and the sewage is discharged through the water outlet end 2b and the circulation channel 1a and the sewage discharge port 1 b. Because the motor 1 of this dredge pump is located the upper end of the pump body 2, and the flange 2c of the pump body 2 pastes and connects on step 8a, therefore motor 1 is difficult to cause the damage because of intaking, has the convenient advantage of dismouting maintenance simultaneously.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Although the terms of the motor 1, the flow passage 1a, the drain outlet 1b, the pump body 2, the water inlet end 2a, the water outlet end 2b, the connecting flange 2c, the impeller 3, the wheel body 3a, the deflector 3b, the rotation shaft 4, the fixed blade 5, the cutting blade 6, the exhaust pipe 7, the water tank 8, the step 8a, the drain outlet 8b, etc., are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. A semi-submerged formula dredge pump for integral type pump station, integral type pump station includes water tank (8), the lower extreme of water tank (8) be equipped with step (8a), step (8a) on be equipped with a plurality of openings outlet (8b) up, this dredge pump vertically links firmly on step (8a) of water tank (8), the dredge pump including be vertical setting motor (1) and pump body (2), pump body (2) in be equipped with impeller (3) and pivot (4), pump body (2) on be equipped with water inlet end (2a) and play water end (2b), water inlet end (2a) be located the lower extreme of pump body (2), its characterized in that, motor (1) be located the upper end of pump body (2), water inlet end (2a) insert to outlet (8b), the lateral wall of pump body (2) be equipped with flange (2c), the connecting flange (2c) can be attached to the step (8a) and is fixedly connected with the water tank (8).

2. The semi-submersible sewage pump for an integrated pump station according to claim 1, wherein a port of the water inlet end (2a) is fixedly connected with a fixed blade (5), the lower end of the impeller (3) is fixedly connected with a cutting blade (6), and the lower end surface of the cutting blade (6) is close to the fixed blade (5).

3. The semi-submersible sewage pump for an integrated pump station according to claim 2, wherein the impeller (3) comprises a disk-shaped wheel body (3a), a spiral guide vane (3b) is arranged on the lower end surface of the wheel body (3a), and the cutting blade (6) is arranged at the lower end of the guide vane (3 b).

4. A semi-submersible sewage pump for an integral pump station according to claim 3, characterised in that the cutting blade (6) is of integral construction with the baffle (3 b).

5. A semi-submersible sewage pump for an integrated pump station according to claim 3, characterised in that the cutting blade (6) is fixedly connected with the lower end of the rotary shaft (4).

6. The semi-submersible sewage pump for the integrated pump station according to claim 1, 2, 3, 4 or 5, wherein a vertically arranged flow channel (1a) is arranged on a housing of the motor (1), the lower end of the flow channel (1a) is communicated with a water outlet end (2b) of the pump body (2), and the upper end of the flow channel (1a) is a sewage outlet (1b) with an upward opening.

7. A semi-submersible sewage pump for an integrated pump station according to claim 1 or 2 or 3 or 4 or 5, characterised in that a mechanical seal is provided between the shaft (4) and the pump body (2).

8. The semi-submersible sewage pump for an integrated pump station according to claim 1 or 2 or 3 or 4 or 5, characterized in that the connecting flange (2c) is fixedly connected with the water tank (8) through bolts.

9. The semi-submersible sewage pump for the integrated pump station according to claim 1, 2, 3, 4 or 5, characterized in that the pump body (2) is provided with an exhaust pipe (7), one end of the exhaust pipe (7) is communicated with the pump body (2), and the other end of the exhaust pipe (7) is communicated with the water tank (8).