CN224156428U

CN224156428U - Tail water sand filtration treatment device for sewage plant

Info

Publication number: CN224156428U
Application number: CN202520713633.0U
Authority: CN
Inventors: 刘雨; 王小瑜; 李宝良; 邱红兵; 刘利
Original assignee: Panjin Sino French Water Supply Co ltd
Current assignee: Panjin Sino French Water Supply Co ltd
Priority date: 2025-04-16
Filing date: 2025-04-16
Publication date: 2026-04-24
Anticipated expiration: 2035-04-16

Abstract

The utility model belongs to the technical field of sewage treatment, and particularly relates to a tail water sand filtering treatment device of a sewage plant, which comprises a sand filtering tank, wherein a sand washing mechanism is arranged in the sand filtering tank and comprises a sand scraping assembly and a sand washing assembly, the sand washing mechanism comprises a second rotating shaft, one end of the second rotating shaft is fixedly provided with a first bevel gear, the first bevel gear is meshed with the second bevel gear, the second bevel gear is fixedly arranged at one end of a transmission shaft, the other end of the transmission shaft is fixedly provided with a third bevel gear, the third bevel gear is meshed with the fourth bevel gear, the fourth bevel gear is fixedly arranged at one end of the first rotating shaft, the second rotating shaft, the transmission shaft and the first rotating shaft are rotationally clamped on an outer shell, a crushing roller is arranged at the outer side of the first rotating shaft, and a plurality of crushing teeth are uniformly distributed on the curved surface side surfaces of the crushing roller. When the sand scraping assembly rotates around the axis of the sand filtering tank under the drive of the sand washing assembly, the crushing roller rotates under the drive of the gear mechanism, so that the crushing and hardening sand filtering is efficiently crushed through crushing teeth arranged on the crushing roller, and the sand is prevented from being blocked during sand suction.

Description

Tail water sand filtration treatment device for sewage plant

Technical Field

The utility model belongs to the technical field of sewage treatment, and particularly relates to a tail water sand filtration treatment device for a sewage plant.

Background

The utility model patent with the publication number of CN222342071U discloses a continuous back flushing sand filtering device, which comprises a sand filtering tank, wherein one side of the sand filtering tank is provided with a liquid inlet pipeline, the other side of the sand filtering tank is provided with a liquid outlet pipeline, one end of the liquid inlet pipeline extending into the sand filtering tank is provided with a liquid separating seat, the inside of the sand filtering tank is provided with a sand washing mechanism, the sand washing mechanism comprises a sand washing assembly and a stirring assembly, the sand washing assembly is arranged in the sand filtering tank, the sand washing assembly comprises a sand washing box, the sand washing assembly is fixedly arranged at the top of the sand filtering tank, a sand suction pipe is fixedly arranged in the sand washing box, the liquid inlet pipeline and the liquid separating seat are both arranged at the outer side of the bottom of the sand suction pipe, the sand outlet pipe is fixedly arranged at the bottom of the sand washing box, the stirring assembly is arranged in the sand washing assembly, the stirring assembly is used for stirring the inside of the sand washing box and the bottom of the sand suction pipe, pollutants and water are discharged from a liquid outlet hole through rotation of the filtering box, centrifugal force during rotation can also prevent sand and stone from hardening, and the bottom of the sand suction pipe is stirred through rotation of a stirring rod.

However, the mechanism has the following problems that when the stirring assembly scrapes sand and stones and foreign matters on the inner wall of the sand filter tank, and when the sand and stones are hardened seriously due to the fact that the viscosity of the foreign matters is large, the scraping plate in the stirring assembly cannot effectively crush the hardened sand and stones, the resistance received during rotation is large, the whole stirring assembly is easy to deform or break, the hardened sand and stones are blocked, and the back suction cleaning effect of the sand and stones is greatly reduced.

Disclosure of utility model

Aiming at the problems, the utility model aims to provide the tail water sand filtering treatment device for the sewage plant, which solves the problems that the existing sand filtering device cannot effectively crush massive plate matters when cleaning sand stones hardened on the inner wall of a sand filtering tank, so that equipment is damaged and the sand filtering cleaning efficiency is reduced.

In order to achieve the purpose, the technical scheme is that the tail water sand filtering treatment device for the sewage plant comprises a sand filtering tank, wherein one side of the sand filtering tank is provided with a liquid inlet pipeline, the other side of the sand filtering tank is provided with a liquid outlet pipeline, one end of the liquid inlet pipeline extending into the sand filtering tank is provided with a liquid separating seat, the sand filtering tank is internally provided with a sand washing mechanism, the sand washing mechanism comprises a sand scraping assembly and a sand washing assembly, the sand washing mechanism comprises a second rotating shaft, the second rotating shaft is arranged at the bottom of a sand suction pipe in the sand washing assembly, one end of the second rotating shaft is fixedly provided with a first bevel gear, the first bevel gear is in meshed connection with the second bevel gear, the second bevel gear is fixedly arranged at one end of a transmission shaft, the other end of the transmission shaft is fixedly provided with a third bevel gear, the third bevel gear is in meshed connection with the fourth bevel gear, the fourth bevel gear is fixedly arranged at one end of the first rotating shaft, the second rotating shaft and the first rotating shaft is rotatably clamped on an outer shell, the outer side of the first rotating shaft is provided with a crushing roller, and a plurality of crushing teeth are uniformly distributed on the curved surface side of the crushing roller.

The sand scraping assembly has the beneficial effects that when the sand scraping assembly rotates around the axis of the sand filtering tank under the drive of the sand washing assembly, the crushing roller rotates under the drive of the gear mechanism, so that the hardened sand filtering is efficiently crushed through the crushing teeth arranged on the crushing roller, and the blockage during sand suction is prevented.

In order to ensure the stability of stress of the sand washing mechanism during operation;

As a further improvement of the technical scheme, the number of the transmission shafts is two, and the transmission shafts are oppositely arranged at the left side and the right side below the second rotating shaft.

The improved structure has the beneficial effects that the two transmission shafts, the two groups of gear mechanisms arranged on the transmission shafts and the crushing roller can avoid the stress on the single side of the second rotating shaft in the scraping process, and the second rotating shaft is effectively prevented from being completely deformed or broken due to uneven stress for a long time.

The crushing roller is arranged for convenient replacement;

As a further improvement of the technical scheme, the crushing roller is sleeved on the outer side of the first rotating shaft in a sliding mode, an annular groove which is matched with and clamped with the clamping spring is formed in one end, away from the bevel gear IV, of the first rotating shaft, and one end face of the clamping spring is abutted to one end face of the crushing roller.

The improved crushing roller has the beneficial effects that after the clamp spring is taken down, an operator can conveniently replace and install the crushing roller on the first rotating shaft.

In order to effectively reduce the manufacturing cost and the dead weight of the crushing roller;

As a further improvement of the technical scheme, the crushing roller comprises an inner pipe body, the outer side face of the inner pipe body is connected with one end of a connecting plate, the other end of the connecting plate is connected with the inner wall of the outer pipe body, and the crushing teeth are arranged on the outer side face of the outer pipe body.

The improved crushing roller has the beneficial effects that the dead weight and the cost of the crushing roller with the hollow structure can be effectively reduced.

In order to ensure the stability of the transmission between the first rotating shaft and the crushing roller;

As a further improvement of the technical scheme, the inner wall of the inner pipe body is provided with the plug-in block, the curved surface side surface of the first rotating shaft is provided with the plug-in groove which is matched with the plug-in block, and the plug-in groove penetrates through the end surface of the first rotating shaft far away from the bevel gear IV.

The improved crushing roller has the beneficial effects that after the inserting grooves are mutually clamped with the inserting blocks, the power of the first rotating shaft can be stably transmitted to the crushing roller.

In order to effectively ensure the cleaning effect of the crushing roller;

As a further improvement of the technical scheme, the axis of the first rotating shaft is parallel to the conical surface where the inclined inner wall of the lower side of the sand filter tank is located.

The improved sand washing device has the beneficial effects that the crushing roller rotates around the axis of the sand filtering tank in the rotating process of the sand washing assembly, so that the inclined inner wall at the lower side of the sand filtering tank is effectively cleaned.

The sand scraping assembly is driven by the sand washing assembly to rotate;

As a further improvement of the technical scheme, the sand washing assembly comprises a sand washing box fixedly arranged at the top of the sand filtering tank, a sand outlet pipe is fixedly arranged at the bottom of the sand washing box, the liquid inlet pipeline and the liquid separating seat are both arranged at the outer side of the bottom of the sand suction pipe, a driving motor is arranged at the top of the sand filtering tank, an output shaft of the driving motor is connected with a filtering box, the filtering box is rotatably arranged in the sand washing box, and the filtering box is fixedly connected with the sand suction pipe.

The improved sand washing assembly has the beneficial effects that the sand washing assembly can drive the sand scraping assembly to stably rotate through the sand sucking pipe.

None of the parts of the device are the same as or can be implemented using prior art.

Drawings

FIG. 1 is a cross-sectional block diagram of the present utility model;

FIG. 2 is a cross-sectional block diagram of a sand scraping assembly of the present utility model;

FIG. 3 is a schematic diagram of a rotor structure according to the present utility model;

FIG. 4 is a schematic view of the structure of a crushing roller according to the present utility model;

the sand filter comprises a sand filter tank 1, a liquid inlet pipeline 2, a liquid outlet pipeline 3, a sand washing mechanism 4, a liquid separating seat 5, a sand scraping assembly 6, a shell body 7, a first 8, a first 9, a transmission shaft 10, a second 11, a third 12, a fourth 13, a first 131, a plug-in groove 14, a crushing roller 141, an inner pipe body 142, a plug-in block 143, a connecting plate 144, an outer pipe body 145, crushing teeth 15, a compressed air lifting assembly 16, a sand washing assembly 17, a second 18 and a clamp spring.

Detailed Description

In order that those skilled in the art may better understand the technical solutions of the present invention, the following detailed description of the present invention with reference to the accompanying drawings is provided for exemplary and explanatory purposes only and should not be construed as limiting the scope of the present invention.

Example 1:

As shown in figures 1-4, the tail water sand filtering treatment device for the sewage plant comprises a sand filtering tank 1, wherein one side of the sand filtering tank 1 is provided with a liquid inlet pipeline 2, the other side of the sand filtering tank 1 is provided with a liquid outlet pipeline 3, one end of the liquid inlet pipeline 2 extending into the sand filtering tank 1 is provided with a liquid separating seat 5, the sand filtering tank 1 is internally provided with a sand washing mechanism 4, the sand washing mechanism 4 comprises a sand scraping assembly 6 and a sand washing assembly 16, the sand washing mechanism 4 comprises a rotating shaft II 17, the rotating shaft II 17 is arranged at the bottom of a sand sucking pipe in the sand washing assembly 16, one end of the rotating shaft II 17 is fixedly provided with a bevel gear I8, the bevel gear I8 is in meshed connection with a bevel gear II 10, the bevel gear II 10 is fixedly arranged at one end of a transmission shaft 9, the other end of the transmission shaft 9 is fixedly provided with a bevel gear III 11, the bevel gear III 11 is in meshed connection with a bevel gear IV 12, the IV 12 is fixedly arranged at one end of the rotating shaft I13, the bevel gear II 17, A transmission shaft 9, The first rotating shaft 13 is rotationally clamped on the outer shell 7, the crushing roller 14 is arranged on the outer side of the first rotating shaft 13, a plurality of crushing teeth 145 are uniformly distributed on the curved surface side surface of the crushing roller 14, when the sand scraping assembly 6 rotates around the axis of the sand filtering tank 1 under the driving of the sand washing assembly 16, the crushing roller 14 rotates under the driving of a gear mechanism, so that the crushing roller 14 efficiently crushes hardened sand filtering sand through the crushing teeth 145 arranged on the crushing roller 14, the blocking is prevented during sand sucking, the number of the transmission shafts 9 is two, the two transmission shafts 9 and two groups of gear mechanisms mounted on the transmission shafts 9 are oppositely mounted on the left side and the right side below the second rotating shaft 17, The crushing roller 14 can avoid unilateral stress of the second rotating shaft 17 in the scraping process, so as to effectively prevent the second rotating shaft 17 from being completely deformed or broken due to uneven stress for a long time, the crushing roller 14 is slidably sleeved on the outer side of the first rotating shaft 13, one end of the first rotating shaft 13 far away from the bevel gear four 12 is formed with an annular groove for adapting to clamp the clamp spring 18, one end surface of the clamp spring 18 is attached to one end surface of the crushing roller 14, an operator can conveniently replace and install the crushing roller 14 on the first rotating shaft 13 after removing the clamp spring 18, the crushing roller 14 comprises an inner pipe body 141, the outer side surface of the inner pipe body 141 is connected with one end of a connecting plate 143, the other end of the connecting plate 143 is connected with the inner wall of an outer pipe body 144, the crushing teeth 145 are arranged on the outer side surface of the outer pipe body 144, the hollow structure of the crushing roller 14 can effectively reduce dead weight and cost, the inner wall of the inner pipe body 141 is formed with a plug-in block 142, the curved surface side of the first rotating shaft 13 is provided with a splicing groove 131 which is matched with a splicing plug block 142, the splicing groove 131 penetrates through the end face of the first rotating shaft 13, which is far away from the bevel gear IV 12, the splicing groove 131 and the splicing block 142 are clamped with each other, the power of the first rotating shaft 13 can be stably transmitted to the crushing roller 14, the axis of the first rotating shaft 13 is parallel to the conical surface where the inclined inner wall of the lower side of the sand filter tank 1 is positioned, the crushing roller 14 rotates around the axis of the sand filter tank 1 in the rotating process of the sand washing assembly 16, so that the inclined inner wall of the lower side of the sand filter tank 1 is effectively cleaned, the sand washing assembly 16 comprises a sand washing box fixedly arranged at the top of the sand filter tank 1, a sand outlet pipe is fixedly arranged at the bottom of the sand washing box, the liquid inlet pipe 2 and the liquid distributing seat 5 are both arranged at the outer side of the bottom of the sand suction pipe, a driving motor is arranged at the top of the sand filter tank 1, the output shaft of driving motor is connected with the rose box, and the rose box rotates the inside of installing at the sand washing box, and rose box fixed connection sand suction tube, sand washing subassembly 16 accessible sand suction tube drive the stable rotation of sand scraping subassembly 6.

The sewage is conveyed into the sand filtration tank 1 through the liquid inlet pipeline 2, the liquid inlet pipeline 2 stretches into the liquid separation seat 5 arranged at one end inside the sand filtration tank 1, the sewage is uniformly dispersed, the impact of local water on a sand filtration layer caused by excessive water is avoided, the stable filtering effect of the sand filtration on the sewage is ensured, the sewage penetrates through the sand filtration layer from top to bottom under the action of gravity, impurities in the water are trapped by the sand filtration, and the purified water is discharged from the liquid outlet pipeline 3; the driving motor is started, the output shaft drives the filter box in the sand washing box to rotate, thereby the sand suction pipe in the sand washing assembly 16 rotates, the sand scraping assembly 6 is connected with the sand suction pipe, the sand scraping assembly 6 rotates around the axis of the sand filtering tank 1 under the driving of the sand washing assembly 16, the impurities accumulated at the bottom of the sand filtering tank 1 can be scraped up in the rotating process of the sand scraping assembly 6, the impurity accumulation is prevented from causing sand filtering hardening, the filtering performance of the sand filtering is maintained, when the sand suction pipe rotates, the rotating shaft 17 arranged at the bottom of the sand suction pipe rotates along with the sand filtering assembly, the helical gear 8 at one end of the rotating shaft 17 is meshed with the helical gear 10, the helical gear 10 is fixedly arranged at one end of the transmission shaft 9, therefore, the rotation of the rotating shaft 17 is transmitted to the transmission shaft 9 through the meshing of the helical gear 8 with the helical gear 10, the helical gear 11 at the other end of the transmission shaft 9 is meshed with the helical gear 12, the helical gear 12 is fixedly arranged at one end of the transmission shaft 13, the rotation of the transmission shaft 9 drives the first transmission shaft 13, the crushing roller 14 arranged at the outer side of the transmission shaft 13 rotates, the two transmission shafts 9 are correspondingly arranged at the left and right and both sides of the transmission shafts 17, the single side 17 can avoid the breakage of the crushing roller 14 due to the rotation or the deformation due to the long stress, crushing teeth 145 on the curved surface side face crush hardened sand filter, blockage is prevented when sand is sucked, an inner tube body 141 of a crushing roller 14 is connected with an outer tube body 144 through a connecting plate 143, a hollow structure is formed, the dead weight and manufacturing cost of the crushing roller 14 are reduced, a plug-in block 142 on the inner wall of the inner tube body 141 is clamped with a plug-in groove 131 on the curved surface side face of a rotating shaft 13, stable power transmission of the rotating shaft 13 to the crushing roller 14 is guaranteed, the axis of the rotating shaft 13 is parallel to a conical surface where an inclined inner wall on the lower side of a sand filter tank 1 is located, the crushing roller 14 can effectively clean the inclined inner wall on the lower side of the sand filter tank 1 when rotating around the axis of the sand filter tank 1, scraped impurities and crushed sand filter sand are sucked into a sand washing box through a sand suction pipe of a sand washing assembly 16, and the sand filter tank 1 is discharged through a sand outlet pipe, and the sand filter tank 1 is cleaned and the impurities are removed.

It should be noted that, in this document, 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.

The principles and embodiments of the present invention have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present invention and its core ideas. The foregoing is merely illustrative of the preferred embodiments of the invention, and it will be appreciated that numerous modifications, adaptations and variations of the invention can be made by those skilled in the art without departing from the principles of the invention, and that other features and advantages of the invention can be combined in any suitable manner, and that no improvement in the design or design of the invention is intended to be applied directly to other applications.

Claims

1. A tail water sand filtering treatment device for sewage plants is characterized by comprising a sand filtering tank (1), wherein one side of the sand filtering tank (1) is provided with a liquid inlet pipeline (2), the other side of the sand filtering tank (1) is provided with a liquid outlet pipeline (3), one end of the liquid inlet pipeline (2) extending into the sand filtering tank (1) is provided with a liquid separating seat (5), the sand filtering tank (1) is internally provided with a sand washing mechanism (4), the sand washing mechanism (4) comprises a sand scraping assembly (6) and a sand washing assembly (16), the sand washing mechanism (4) comprises a second rotating shaft (17), the second rotating shaft (17) is arranged at the bottom of a sand sucking pipe in the sand washing assembly (16), one end of the second rotating shaft (17) is fixedly provided with a bevel gear I (8), the bevel gear I (8) is connected with a second bevel gear (10) in a meshed mode, one end of a transmission shaft (9) is fixedly arranged, the other end of the transmission shaft (9) is fixedly provided with a third bevel gear (11), the third bevel gear (11) is connected with the fourth bevel gear I (12) and the bevel gear II (12) is fixedly arranged on the first rotating shaft (13) and the second rotating shaft (13) in a clamping mode, the outer side of the first rotating shaft (13) is provided with a crushing roller (14), and a plurality of crushing teeth (145) are uniformly distributed on the curved side surface of the crushing roller (14).

2. The tail water sand filtering treatment device for the sewage plant according to claim 1, wherein the number of the transmission shafts (9) is two, and the transmission shafts are oppositely arranged at the left side and the right side below the second rotating shaft (17).

3. The tail water sand filtering device for the sewage plant according to claim 1, wherein the crushing roller (14) is slidably sleeved on the outer side of the first rotating shaft (13), an annular groove for adapting to a clamping snap spring (18) is formed at one end, far away from the fourth bevel gear (12), of the first rotating shaft (13), and one end face of the snap spring (18) is abutted against one end face of the crushing roller (14).

4. The device for sand filtration of tail water of a sewage plant according to claim 1, wherein the crushing roller (14) comprises an inner pipe body (141), an outer side surface of the inner pipe body (141) is connected with one end of a connecting plate (143), the other end of the connecting plate (143) is connected with an inner wall of an outer pipe body (144), and the crushing teeth (145) are arranged on the outer side surface of the outer pipe body (144).

5. The device for sand filtration of tail water of sewage plant as claimed in claim 4, wherein the inner wall of the inner pipe body (141) is formed with a plug-in block (142), the curved side surface of the first rotating shaft (13) is formed with a plug-in groove (131) adapted to the plug-in block (142), and the plug-in groove (131) penetrates through the end surface of the first rotating shaft (13) far away from the bevel gear IV (12).

6. A sewage plant tail water sand filtration treatment device according to claim 1 is characterized in that the axis of the first rotating shaft (13) is parallel to a conical surface where the inclined inner wall of the lower side of the sand filtration tank (1) is located.

7. The tail water sand filtering treatment device for the sewage plant, as set forth in claim 1, characterized in that the sand washing assembly (16) comprises a sand washing box fixedly arranged at the top of a sand filtering tank (1), a sand outlet pipe is fixedly arranged at the bottom of the sand washing box, the liquid inlet pipe (2) and the liquid separating seat (5) are both arranged at the outer side of the bottom of the sand suction pipe, a driving motor is arranged at the top of the sand filtering tank (1), an output shaft of the driving motor is connected with the filtering box, the filtering box is rotatably arranged in the sand washing box, and the filtering box is fixedly connected with the sand suction pipe.