CN220470240U

CN220470240U - Sewage pump

Info

Publication number: CN220470240U
Application number: CN202322184591.XU
Authority: CN
Inventors: 曾洪兵; 周鹏; 黄康; 孙杰; 陈柏霖; 闵烊尘
Original assignee: Chongqing Shizhu Drainage Co ltd
Current assignee: Chongqing Shizhu Drainage Co ltd
Priority date: 2023-08-15
Filing date: 2023-08-15
Publication date: 2024-02-09
Anticipated expiration: 2033-08-15

Abstract

The utility model discloses a sewage pump, and relates to the technical field of sewage pumps. The sewage pump comprises a waterproof driving motor, a transmission bin and a suction bin; the transmission bin is hollow and tubular with an opening at the lower part, the suction bin is hollow and tubular with openings at the upper part and the lower part, and the opening at the lower part of the transmission bin is connected with the opening at the upper part of the suction bin; the waterproof driving motor is located at the upper side of the transmission bin, an output shaft of the waterproof driving motor extends into the transmission bin and the suction bin, and a transmission auger and a suction impeller are arranged on the outer wall of the output shaft of the waterproof driving motor. When in actual use, the output end of the waterproof driving motor drives the transmission auger and the suction impeller to rotate, so that the sludge is sucked out from the lower side and is discharged from the sewage outlet pipe. Through the setting of suction impeller, upwards inhale the mud soon, further extrudees upwards the mud of inhaling soon through the transmission auger, increases the density of mud, reduces water content.

Description

Sewage pump

Technical Field

The utility model relates to the technical field of sewage pumps, in particular to a sewage pump.

Background

Domestic sewage is collected through municipal box culverts and enters a sewage treatment plant, and the existing sewage treatment plant mostly adopts a biochemical treatment mode, such as a CASS (chemical oxygen demand) process, an oxidation ditch process, an MBR (membrane bioreactor) process and the like. The biochemical treatment process mainly utilizes activated sludge to consume organic matters in sewage, redundant sludge in the biochemical treatment process is pumped into a sludge storage tank through a sewage pump to carry out temporary storage and primary sedimentation, and then the sewage subjected to primary sedimentation in the sludge storage tank is pumped into a filter press to carry out dehydration. In this process, a sewage pump is required to suck the sludge.

The sewage pump belongs to one of centrifugal impurity pumps, and has various forms: such as submersible and dry, the most commonly used submersible is the QW submersible sewage pump.

When the sewage pump is used, the sewage pump is put into the mud storage pool, and the sewage pump drives the impeller to suck mud and sewage through the motor. When the existing sewage pump is used, sludge on the lower side of the sewage pump is output under the suction of the impeller, surrounding sludge is difficult to supplement to the lower side of the sewage pump in time, so that the sewage pump can only suck water or suck a small amount of sludge, and when the sewage pump is in the condition of high sludge content and poor fluidity, the sludge flows to the lower side of the sewage pump more slowly, and the suction efficiency is affected.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the sewage pump, which solves the problem that the pumping efficiency of the sewage pump is reduced when the fluidity of the sludge is poor.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: a sewage pump, comprising: the device comprises a waterproof driving motor, a transmission bin and a suction bin; the transmission bin is hollow and tubular with an opening at the lower part, the suction bin is hollow and tubular with openings at the upper part and the lower part, and the opening at the lower part of the transmission bin is connected with the opening at the upper part of the suction bin; the waterproof driving motor is positioned at the upper side of the transmission bin, an output shaft of the waterproof driving motor extends into the transmission bin and the suction bin, a transmission auger and a suction impeller are arranged on the outer wall of the output shaft of the waterproof driving motor, the transmission auger and the suction impeller are respectively positioned in the transmission bin and the suction bin, and a sewage outlet pipe is connected at the upper side of the outer wall of the transmission bin; the waterproof driving motor is characterized in that a driving cover is arranged between the waterproof driving motor and the transmission bin, a rotating shaft is rotatably arranged on the lower surface of the driving cover, the upper end of the rotating shaft extends into the driving cover, a driving gear is arranged on the upper side of the outer wall of the output shaft of the waterproof driving motor, a driven gear meshed with the driving gear is arranged at the upper end of the rotating shaft, and an aggregation impeller is arranged at the bottom end of the rotating shaft.

Preferably, the outer wall of the suction bin is connected with a supporting rod, one end of the supporting rod, far away from the suction bin, extends downwards, a supporting ring is arranged on the lower side of the suction bin, and the bottom end of the supporting rod is connected to the upper surface of the supporting ring.

Preferably, the outer wall of the rotating shaft is rotatably sleeved with a supporting rotating sleeve, and the outer wall of the supporting rotating sleeve is connected with the outer wall of the transmission bin through a connecting rod.

Preferably, the diameter of the inner wall of the suction bin is larger than the diameter of the inner wall of the transmission bin.

Preferably, the upper surface of the driving cover is connected with a suspension bracket, and the top end of the suspension bracket is provided with a suspension connecting seat.

Preferably, a reinforcing ring is arranged on the upper side of the inner wall of the conveying bin, and a shredding blade is arranged on the inner side wall of the reinforcing ring.

Preferably, the outer wall of the output shaft of the waterproof driving motor is rotatably sleeved with a ring body, the ring body is positioned in the transmission bin, and one end, far away from the reinforcing ring, of the shredding blade is fixedly connected with the outer wall of the ring body.

(III) beneficial effects

Compared with the prior art, the sewage pump provided by the utility model has at least the following beneficial effects:

when in actual use, the output end of the waterproof driving motor drives the transmission auger and the suction impeller to rotate, so that the sludge is sucked out from the lower side and is discharged from the sewage outlet pipe.

Through the setting of suction impeller, upwards inhale the mud soon, further extrudees upwards the mud of inhaling soon through the transmission auger, increases the density of mud, reduces water content.

Meanwhile, the output shaft of the waterproof driving motor drives the driving gear to rotate, the driving gear drives the rotating shaft and the gathering impeller to rotate through the cooperation with the driven gear, and the rotating gathering impeller pushes surrounding sludge, so that the sludge is uniformly dispersed, and the space at the lower side of the sewage pump can be rapidly supplemented with the sludge.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of the cooperation between the driving gear and the driven gear according to the present utility model;

fig. 3 is a schematic structural view of the inside of the transmission bin and the suction bin of the utility model.

In the figure: 1. waterproof driving motor; 2. a transmission bin; 3. a drive housing; 4. a suspension bracket; 5. suspending the connecting seat; 6. a drive gear; 7. a driven gear; 8. a rotating shaft; 9. a gathering impeller; 10. a sewage outlet pipe; 11. a suction bin; 12. a transmission auger; 13. a suction impeller; 14. a reinforcing ring; 15. shredding blades; 16. a support rod; 17. a support ring; 18. and supporting the rotating sleeve.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment one:

referring to fig. 1-3, the present utility model provides a technical solution: a sewage pump, comprising: a waterproof driving motor 1, a transmission bin 2 and a suction bin 11; the conveying bin 2 is hollow and tubular with an opening at the lower part, the suction bin 11 is hollow and tubular with openings at the upper part and the lower part, and the opening at the lower part of the conveying bin 2 is connected to the opening at the upper part of the suction bin 11.

The waterproof driving motor 1 is located the upside of transmission storehouse 2, and the output shaft of waterproof driving motor 1 extends to in transmission storehouse 2 and the suction storehouse 11, and is provided with transmission auger 12 and suction impeller 13 on the outer wall of the output shaft of waterproof driving motor 1, and transmission auger 12 and suction impeller 13 are located transmission storehouse 2 and suction storehouse 11 respectively, and the outer wall upside of transmission storehouse 2 is connected with out dirty pipe 10.

Be provided with the driving cover 3 between waterproof driving motor 1, the transmission storehouse 2, the pivot 8 is installed in the lower surface rotation of driving cover 3, and in the upper end of pivot 8 extended to driving cover 3, waterproof driving motor 1's output shaft outer wall upside was provided with drive gear 6, and the upper end of pivot 8 is provided with the driven gear 7 with drive gear 6 engaged with, and the bottom of pivot 8 is provided with gathering impeller 9.

Analysis of the above: the joint of the output shaft of the waterproof driving motor 1 and the transmission bin 2 and the joint of the rotating shaft 8 and the driving cover 3 are supported by bearings. When the waterproof driving motor is used, the waterproof driving motor 1, the transmission bin 2 and the driving cover 3 are connected through screws, and the transmission bin 2, the driving cover 3 and the suction bin 11 are made of cast iron. And a sealing ring is embedded in the joint to realize sealing treatment. The assembled sewage pump is placed in a mud storage pool, a waterproof driving motor 1 is powered on, the waterproof driving motor 1 drives a transmission auger 12 and a suction impeller 13 to rotate, and sludge at the lower part of a suction bin 11 is sucked upwards and is output through a sewage outlet pipe 10. Meanwhile, the gear pair formed between the driving gear 6 and the driven gear 7 drives the rotating shaft 8 and the gathering impeller 9 to rotate, the gathering impeller 9 is positioned at the periphery of the suction bin 11, the diameter of the driven gear 7 is set to be at least 3 times that of the driving gear 6, the rotating speed of the gathering impeller 9 is reduced, surrounding sludge is prevented from being thrown out far, and accordingly the surrounding sludge flows (when the sludge has good fluidity, structures such as the rotating shaft 8 and the gathering impeller 9 can be omitted).

Embodiment two:

referring to fig. 1-3, the present utility model provides a technical solution based on the first embodiment: the outer wall of the suction bin 11 is connected with a support rod 16, one end of the support rod 16 away from the suction bin 11 extends downwards, the lower side of the suction bin 11 is provided with a support ring 17, and the bottom end of the support rod 16 is connected to the upper surface of the support ring 17.

Through the cooperation of the supporting rings 17 of the supporting rods 16, the upper transmission bin 2, the driving cover 3, the suction bin 11 and other structures are borne, the suction impeller 13 is prevented from being too close to the ground, and the sludge can be ensured to normally enter the suction bin 11. The diameter of the supporting ring 17 is larger than that of the suction bin 11, so that the stability of the sewage pump can be ensured.

Embodiment III:

referring to fig. 1-3, the present utility model provides a technical solution based on the first embodiment: the outer wall of the rotating shaft 8 is rotatably sleeved with a supporting rotating sleeve 18, and the outer wall of the supporting rotating sleeve 18 is connected with the outer wall of the transmission bin 2 through a connecting rod.

Because the whole length of the rotating shaft 8 is longer, the middle part of the rotating shaft 8 is supported through the arrangement of the supporting rotating sleeve 18, and the condition that the rotating shaft 8 shakes in the rotating process is avoided.

Embodiment four:

referring to fig. 1-3, the present utility model provides a technical solution based on the first embodiment: the diameter of the inner wall of the suction bin 11 is larger than the diameter of the inner wall of the delivery bin 2. The space for sucking sludge can be enlarged by enlarging the inner size of the suction chamber 11.

Fifth embodiment:

referring to fig. 1-3, the present utility model provides a technical solution based on the first embodiment: the upper surface of drive cover 3 is connected with suspension frame 4, and suspension frame 4's top is provided with suspension connecting seat 5.

The hanging connecting seat 5 is in a hollow ring shape, a rope can be inserted into the hanging connecting seat 5, and the hanging connecting seat 5 and the hanging frame 4 are downwards placed on the upper part through the rope to integrally downwards place the sewage pump.

Example six:

referring to fig. 1-3, the present utility model provides a technical solution based on the first embodiment: the upper side of the inner wall of the conveying bin 2 is provided with a reinforcing ring 14, and the inner side wall of the reinforcing ring 14 is provided with a shredding blade 15.

When the sludge is conveyed upwards, the sludge is extruded, so that the interior of the sludge is compact, and the interior of the sewage outlet pipe 10 is easy to be blocked. When the sludge moves upwards, the sludge is contacted with the shredding blade 15, so that the sludge is separated by the shredding blade 15, the sludge is crushed, and the subsequent blockage of the interior of the sewage outlet pipe 10 is prevented.

Embodiment seven:

referring to fig. 1-3, the present utility model provides a technical solution based on a seventh embodiment: the outer wall of the output shaft of the waterproof driving motor 1 is rotatably sleeved with a ring body, the ring body is positioned in the transmission bin 2, and one end of the shredding blade 15, which is far away from the reinforcing ring 14, is fixedly connected with the outer wall of the ring body. The ring body supports the inner end of the shredding blade 15, and the shredding blade 15 is not easy to bend due to the impact of the sludge when the sludge is shredded.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A sewage pump, comprising:

a waterproof driving motor (1), a transmission bin (2) and a suction bin (11);

the conveying bin (2) is hollow and tubular with an opening at the lower part, the suction bin (11) is hollow and tubular with openings at the upper part and the lower part, and the opening at the lower part of the conveying bin (2) is connected to the opening at the upper part of the suction bin (11);

the waterproof driving motor (1) is positioned at the upper side of the transmission bin (2), an output shaft of the waterproof driving motor (1) extends into the transmission bin (2) and the suction bin (11), a transmission auger (12) and a suction impeller (13) are arranged on the outer wall of the output shaft of the waterproof driving motor (1), the transmission auger (12) and the suction impeller (13) are respectively positioned in the transmission bin (2) and the suction bin (11), and a sewage outlet pipe (10) is connected to the upper side of the outer wall of the transmission bin (2);

be provided with driving cover (3) between waterproof driving motor (1), transmission storehouse (2), pivot (8) are installed in the lower surface rotation of driving cover (3), in the upper end of pivot (8) extends to driving cover (3), the output shaft outer wall upside of waterproof driving motor (1) is provided with drive gear (6), the upper end of pivot (8) is provided with driven gear (7) with drive gear (6) engaged with, the bottom of pivot (8) is provided with gathering impeller (9).

2. A sewage pump according to claim 1, wherein: the outer wall of the suction bin (11) is connected with a supporting rod (16), one end of the supporting rod (16) away from the suction bin (11) extends downwards, a supporting ring (17) is arranged on the lower side of the suction bin (11), and the bottom end of the supporting rod (16) is connected to the upper surface of the supporting ring (17).

3. A sewage pump according to claim 1, wherein: the outer wall of the rotating shaft (8) is rotatably sleeved with a supporting rotating sleeve (18), and the outer wall of the supporting rotating sleeve (18) is connected with the outer wall of the transmission bin (2) through a connecting rod.

4. A sewage pump according to claim 1, wherein: the diameter of the inner wall of the suction bin (11) is larger than that of the inner wall of the transmission bin (2).

5. A sewage pump according to claim 1, wherein: the upper surface of driving cover (3) is connected with suspension frame (4), the top of suspension frame (4) is provided with suspends connecting seat (5).

6. A sewage pump according to claim 1, wherein: the conveying bin is characterized in that a reinforcing ring (14) is arranged on the upper side of the inner wall of the conveying bin (2), and shredding blades (15) are arranged on the inner side wall of the reinforcing ring (14).

7. A sewage pump according to claim 6, wherein: the waterproof driving motor is characterized in that a ring body is rotatably sleeved on the outer wall of an output shaft of the waterproof driving motor (1), the ring body is positioned in the transmission bin (2), and one end, far away from the reinforcing ring (14), of the shredding blade (15) is fixedly connected with the outer wall of the ring body.