CN219885713U

CN219885713U - Sewage treatment device for sewage pipeline engineering

Info

Publication number: CN219885713U
Application number: CN202321239441.8U
Authority: CN
Inventors: 董育来
Original assignee: Tianjin Jinmao Xinyuan Construction And Installation Engineering Co ltd
Current assignee: Tianjin Jinmao Xinyuan Construction And Installation Engineering Co ltd
Priority date: 2023-05-22
Filing date: 2023-05-22
Publication date: 2023-10-24
Anticipated expiration: 2033-05-22

Abstract

The utility model discloses a sewage treatment device for sewage pipeline engineering, which comprises a tank body, wherein the tank body is erected on the ground, the sewage treatment device further comprises a scraping plate mechanism for scraping sludge on the inner wall of the tank body, a dosing mechanism for automatically dosing the tank body and a filtering mechanism for pre-filtering the tank body, the scraping plate mechanism is positioned in the tank body, the dosing mechanism is positioned at the upper end of the tank body, and the filtering mechanism is positioned at one side of the upper part of the tank body.

Description

Sewage treatment device for sewage pipeline engineering

Technical Field

The utility model relates to the technical field of sewage treatment devices, in particular to a sewage treatment device for sewage pipeline engineering.

Background

In the prior art, with the development of technology, environmental pollution is an increasingly serious problem, and among the many environmental problems in sewage treatment are important. The sewage includes industrial sewage and domestic sewage, if the sewage can not be purified completely, the sewage can be discharged directly, and can be reentered into the water circulation system of the earth, besides destroying ecological environment, the sewage can also be entered into human body, and can affect human health, and the sewage pipeline system is formed from pipeline for collecting and conveying urban sewage and its auxiliary structure, and the sewage can be flowed into main pipe by branch pipe, then flowed into main pipe, finally flowed into sewage treatment plant, and the pipeline is from small to large, and is distributed like river, and is in the form of tree-like, and is completely different from circulation through condition of water supply pipeline network, and the sewage can be flowed from high to low place in pipeline, and the interior of pipeline is not under pressure, i.e. can be flowed by gravity, and can be used together with sewage treatment equipment in sewage pipeline engineering. The filter screen is arranged in the treatment box for common sewage treatment, the filter screen is blocked by long-time use, the filtering effect is reduced, the filter screen is taken out to be cleaned, the use is particularly inconvenient, the filtered liquid is purified by adding the purifying agent, but the sewage and the purifying agent cannot be fully contacted by adding the purifying agent at one time, and the sewage purifying effect is reduced.

The application number is: 202122483424.6A Chinese patent utility model discloses a sewage treatment device for sewage pipeline engineering, which comprises a base and a fixing frame, wherein a footstock is arranged at the top of the base, and a sedimentation tank is arranged at the top end of the footstock; the fixing frame is arranged at the top of the top seat, the width of the fixing frame is larger than the outer diameter of the sedimentation tank, and the height of the fixing frame is larger than the height of the sedimentation tank; the motor is installed on the top of mount, and the motor rotates and is connected with the motor shaft. However, the sewage treatment device of the sewage pipeline engineering can only scratch the sludge on the inner wall of the sedimentation tank, can not automatically add medicine and purify the sedimentation tank, and the movable frame and the main shaft of the sewage treatment device are connected in a fixed installation mode, so that the sewage treatment device is inconvenient to disassemble and overhaul, lacks a front-mounted filtering structure, can not filter large-volume sundries, and can possibly cause the treatment device to generate blocking phenomenon.

Disclosure of Invention

The utility model aims to provide a sewage treatment device for sewage pipeline engineering.

In order to achieve the above purpose, the technical scheme provided by the utility model is as follows:

the utility model provides a sewage treatment plant for sewer line engineering, includes the cell body, the cell body erects subaerial, still including be used for right the scraping plate mechanism that the cell body inner wall mud scraped, be used for right the cell body carries out automatic dosing add medicine mechanism and be used for right the cell body carries out leading filterable filter unit, and scraping plate mechanism is located inside the cell body, add medicine mechanism and be located cell body upper end, filter unit is located cell body upper portion one side.

The scraper mechanism comprises a scraper motor, a scraper shaft, upper scraper assemblies and lower scraper assemblies, wherein the scraper motor is arranged at the upper end of the tank body and fixedly connected with the tank body, the output end of the scraper motor penetrates through the tank body to be arranged downwards, the scraper shaft is arranged at the upper part of the inner side of the tank body correspondingly, the upper ends of the scraper motor are fixedly connected with the output end of the scraper motor, the upper scraper assemblies are provided with two groups, the two groups of upper scraper assemblies are symmetrically arranged at the upper part of the scraper shaft, the lower scraper assemblies are provided with two groups, and the two groups of lower scraper assemblies are symmetrically arranged at the lower part of the scraper shaft.

The upper portion scraper blade subassembly includes scraper blade core bar, scraper blade loop bar and rigidity scraper blade, the scraper blade core bar is equipped with two sets of, two sets of scraper blade core bar parallel interval arrangement be in the upper portion of scraper blade axle and with scraper blade axle fixed connection, the scraper blade loop bar corresponds two sets of scraper blade core bar is equipped with two sets of, two sets of the scraper blade loop bar overlaps respectively and establishes in two sets of one end of scraper blade core bar, the scraper blade loop bar passes through the screw with corresponding scraper blade core bar fixed connection, the rigidity scraper blade sets up two sets of the scraper blade loop bar keep away from one end of scraper blade core bar and with two sets of scraper blade loop bar fixed connection, the rigidity scraper blade keep away from one side of scraper blade loop bar with the laminating of cell internal wall sets up.

The lower part scraper blade subassembly includes scraper blade socket, wing form scraper blade, positioning bolt and flexible scraper blade, the scraper blade socket sets up scraper blade axle lower part one side and with scraper blade axle fixed connection, the wing form scraper blade sets up one side of scraper blade socket and with scraper blade socket sliding connection, positioning bolt is equipped with two sets of, every group positioning bolt comprises two bolts that set up relatively, two sets of positioning bolt side by side the interval sets up the lateral part of scraper blade socket and runs through the scraper blade socket with scraper blade socket threaded connection, positioning bolt with wing form scraper blade butt, flexible scraper blade sets up wing form scraper blade is kept away from scraper blade socket's one end and with wing form scraper blade fixed connection, flexible scraper blade with the inner wall laminating of cell body sets up.

The dosing mechanism comprises a dosing tank and a dosing pump, wherein the dosing tank is arranged on one side of the upper end of the tank body and is fixedly connected with the tank body, the dosing pump corresponds to the dosing tank, the dosing tank is arranged on one side of the upper end of the tank body and is communicated with the tank body through a pipeline, and the dosing pump is communicated with the dosing tank.

The filtering mechanism comprises a sewage inlet channel and a front filter screen, wherein the sewage inlet channel is arranged on one side of the upper portion of the tank body and is communicated with the tank body, and the front filter screen is arranged at one end, far away from the tank body, of the sewage inlet channel through a mounting frame.

Still include drain mechanism, drain mechanism includes drain, blowdown end and dredge pump, the drain sets up the bottom of cell body and with the internal intercommunication of cell, the blowdown end sets up the lower extreme of drain just through the flange with the drain communicates, the dredge pump sets up one side of blowdown end just with the blowdown end communicates.

The sewage treatment device further comprises a sewage treatment bracket, the sewage treatment bracket is erected on the ground corresponding to the sewage treatment mechanism, and the sewage treatment bracket is arranged at the sewage treatment end and the lower part of the sewage treatment pump.

Still include supporting mechanism, supporting mechanism includes support frame and supporting beam, the support frame sets up the lower part of cell body and with cell body fixed connection, the cell body passes through the support frame erects subaerial, the supporting beam sets up the lower part of support frame and with support frame fixed connection.

The automatic feeding device comprises a supporting frame, and is characterized by further comprising an electric control unit, wherein the electric control unit is arranged on one side of the supporting frame and fixedly connected with the supporting frame, and the electric control unit is electrically connected with a scraper motor, a dosing pump and a sewage pump.

The beneficial effects of the utility model are as follows:

be equipped with scraper blade mechanism, can carry out dual scraping operation to the mud of cell body inner wall, cleaning efficiency is high, avoid remaining mud on the cell body inner wall, and scraper blade mechanism adopts assembled amalgamation structure, the dismouting of being convenient for overhauls, and scraper blade mechanism has the stirring effect, can stir mud, promote sludge treatment efficiency, be equipped with the mechanism of dosing, can carry out automatic dosing operation to the inside mud of cell body, be equipped with filtering mechanism, as leading filtration on the cell body, can filter bulky debris, avoid processing apparatus to appear blocking up the phenomenon.

Drawings

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

FIG. 2 is a schematic view of the cooperation of the core bar of the scraper and the sleeve rod of the scraper according to the utility model;

FIG. 3 is a schematic view of the cooperation of the scraper socket and the positioning bolt according to the present utility model;

fig. 4 is an electrical connection diagram of the present utility model.

In the figure: 1. a cell body; 2. a scraper motor; 3. a scraper shaft; 4. a scraping plate core bar; 5. a scraper sleeve rod; 6. a rigid squeegee; 7. a scraper socket; 8. wing-shaped scraping plates; 9. positioning bolts; 10. a flexible scraper; 11. a dosing box; 12. a dosing pump; 13. a dirt inlet channel; 14. a filter screen is arranged in front; 15. a sewage drain pipe; 16. a sewage discharge end; 17. a sewage pump; 18. a pollution discharge bracket; 19. a support frame; 20. a support beam; 21. and an electric control unit.

Detailed Description

The utility model is described in further detail below with reference to the accompanying drawings,

the utility model discloses a sewage treatment device for sewage pipeline engineering, which comprises a tank body 1, wherein the tank body 1 is erected on the ground, and further comprises a scraping plate mechanism for scraping sludge on the inner wall of the tank body 1, a dosing mechanism for automatically dosing the tank body 1 and a filtering mechanism for pre-filtering the tank body 1, wherein the scraping plate mechanism is positioned in the tank body 1, the dosing mechanism is positioned at the upper end of the tank body 1, and the filtering mechanism is positioned on one side of the upper part of the tank body 1.

The scraper mechanism comprises a scraper motor 2, a scraper shaft 3, an upper scraper assembly and a lower scraper assembly, wherein the scraper motor 2 is arranged at the upper end of the tank body 1 and is fixedly connected with the tank body 1, the output end of the scraper motor 2 penetrates through the tank body 1 to be arranged downwards, the scraper shaft 3 corresponds to the scraper motor 2 and is arranged at the upper part of the inner side of the tank body 1, the upper end of the scraper shaft is fixedly connected with the output end of the scraper motor 2, the upper scraper assembly is provided with two groups, the two groups of upper scraper assemblies are symmetrically arranged at the upper part of the scraper shaft 3, the lower scraper assembly is provided with two groups, the two groups of lower scraper assemblies are symmetrically arranged at the lower part of the scraper shaft 3, the scraper mechanism is matched with the lower scraper assembly through the scraper motor 2, the scraper shaft 3, the upper scraper assembly and the lower scraper assembly, and the inner wall of the tank body 1 are subjected to double-scraping operation through a rigid scraper 6 and a flexible scraper 10, and the sludge cleaning efficiency is improved, wherein the scraper motor 2 is used for providing mounting support for the scraper shaft 3 and driving the scraper shaft 3 to rotate, the scraper shaft 3 is used for providing mounting support for the upper scraper assembly and the lower scraper assembly to rotate under the motor 2, and the scraper assembly is used for driving the lower scraper assembly to rotate on the inner side of the tank body 1 through the rigid scraper shaft 3 and the flexible scraper assembly to operate the lower scraper assembly 10.

The upper scraper component comprises two groups of scraper core rods 4, scraper sleeve rods 5 and rigid scraper rods 6, wherein the scraper core rods 4 are provided with two groups of scraper core rods 4, the two groups of scraper core rods 4 are arranged at the upper part of the scraper shaft 3 in parallel at intervals and fixedly connected with the scraper shaft 3, the scraper sleeve rods 5 are provided with two groups of scraper core rods 4 corresponding to the two groups of scraper core rods 4, the two groups of scraper sleeve rods 5 are respectively sleeved at one ends of the two groups of scraper core rods 4, the scraper sleeve rods 5 are fixedly connected with the corresponding scraper core rods 4 through screws, the rigid scraper 6 is arranged at one end of the two groups of scraper sleeve rods 5 away from the scraper core rods 4 and fixedly connected with the two groups of scraper sleeve rods 5, one side of the rigid scraper 6 away from the scraper sleeve rods 5 is attached to the inner wall of the tank body 1, the upper scraper component is matched with the rigid scraper 6 through the scraper core rods 4 and the scraper sleeve rods 5 to perform rigid mud scraping operation on the upper part on the inner side of the tank body 1, the scraper core rod 4 is used as a mounting structure on the upper portion of the scraper shaft 3, so as to provide mounting support for the scraper sleeve rod 5, the scraper sleeve rod 5 is used for providing mounting support for the rigid scraper 6 and forms an assembled splicing structure with the scraper core rod 4, so that the rigid scraper 6 is convenient to disassemble and maintain, the rigid scraper 6 is used for performing rigid scraping operation on the upper portion of the inner side of the pool body 1 under the driving of the scraper shaft 3, when the scraper sleeve rod 5 and the rigid scraper 6 need to be disassembled, the screw bolt is rotated to separate the scraper sleeve rod 5, the scraper sleeve rod 5 is separated from the scraper core rod 4, and the disassembly of the scraper sleeve rod 5 and the rigid scraper 6 can be completed.

The lower scraper assembly comprises a scraper socket 7, wing-shaped scrapers 8, positioning bolts 9 and a flexible scraper 10, wherein the scraper socket 7 is arranged on one side of the lower part of the scraper shaft 3 and is fixedly connected with the scraper shaft 3, the wing-shaped scrapers 8 are arranged on one side of the scraper socket 7 and are in sliding connection with the scraper socket 7, the positioning bolts 9 are provided with two groups, each group of positioning bolts 9 consists of two oppositely arranged bolts, the two groups of positioning bolts 9 are arranged on the side part of the scraper socket 7 at intervals in parallel and penetrate through the scraper socket 7 to be in threaded connection with the scraper socket 7, the positioning bolts 9 are abutted with the wing-shaped scrapers 8, the flexible scraper 10 is arranged on one end of the wing-shaped scrapers 8 far away from the scraper socket 7 and is fixedly connected with the wing-shaped scrapers 8, the flexible scraper 10 is in fit with the inner wall of the pool body 1, the lower scraper assembly is matched with the flexible scraper 10 through the scraper socket 7, the wing-shaped scrapers 8, the positioning bolts 9, the flexible mud scraping operation is carried out on the lower part of the inner side of the tank body 1, wherein the scraper socket 7 is used as a mounting structure of the lower part of the scraper shaft 3, so as to provide mounting support for the wing-shaped scraper 8, the wing-shaped scraper 8 is used for providing mounting support for the flexible scraper 10 and forms an assembled split structure with the scraper socket 7, the flexible mud scraping operation is convenient to disassemble and maintain, the positioning bolt 9 is used for positioning the wing-shaped scraper 8 and the scraper socket 7 relatively, the falling phenomenon of the wing-shaped scraper 8 and the scraper socket 7 is prevented in the working process, the flexible scraper 10 is used for carrying out the flexible mud scraping operation on the lower part of the inner side of the tank body 1 under the driving of the scraper shaft 3, when the wing-shaped scraper 8 needs to be disassembled from the scraper socket 7, the positioning bolt 9 is rotated to separate from the scraper socket 7, the wing-shaped scraper 8 slides upwards along the scraper socket 7, the wing-shaped scraper 8 is separated from the scraper socket 7, and the disassembly of the wing-shaped scraper 8 can be completed, the installation principle is the same as the disassembly principle, and the process is opposite, so that the description is omitted, and a schematic diagram of the cooperation of the scraper socket 7 and the positioning bolt 9 is shown in fig. 3.

The dosing mechanism includes dosing tank 11 and dosing pump 12, dosing tank 11 sets up in cell body 1 upper end one side and with cell body 1 fixed connection, dosing pump 12 corresponds dosing tank 11 setting in cell body 1 upper end one side and communicates with cell body 1 through the pipeline, dosing pump 12 communicates with dosing tank 11, dosing tank 11 upper portion is equipped with the dosing mouth, dosing mechanism cooperates through dosing tank 11 and dosing pump 12, carry out automatic dosing to cell body 1 inside according to the in-service use demand, wherein, dosing tank 11 is arranged in storing the required liquid medicine of mud handling process, dosing pump 12 is arranged in according to the in-service use demand with the automatic dosing of liquid medicine to cell body 1 inside.

The filtering mechanism comprises a sewage inlet channel 13 and a front filter screen 14, wherein the sewage inlet channel 13 is arranged on one side of the upper portion of the tank body 1 and is communicated with the tank body 1, the front filter screen 14 is arranged at one end of the sewage inlet channel 13 far away from the tank body 1 through a mounting frame, the filtering mechanism is matched with the front filter screen 14 through the sewage inlet channel 13 to carry out front filtration on sludge entering the interior of the tank body 1, so that large-volume impurities are prevented from entering the tank body 1, the sewage inlet channel 13 is used as a sludge inlet channel on one side of the upper portion of the tank body 1, the sludge can enter the tank body 1 through the sewage inlet channel 13, and the front filter screen 14 is used for carrying out front filtration on the sludge entering the interior of the tank body 1.

Still include drain mechanism, drain mechanism includes drain 15, drain end 16 and drain pump 17, drain 15 sets up in the bottom of cell body 1 and with the inside intercommunication of cell body 1, drain end 16 sets up in the lower extreme of drain 15 and communicates with drain 15 through the flange, drain pump 17 sets up in one side of drain end 16 and communicates with drain end 16, drain mechanism passes through drain 15, drain end 16 and drain pump 17 cooperation, discharge the mud of processing cell body 1, wherein, drain 15 is used for being the drain outlet of cell body 1 lower part, drain end 16 is used for with drain 15 intercommunication in order to be the mud cavity of keeping in of cell body 1 bottom, keep in the mud of processing, drain pump 17 is used for discharging the inboard mud of drain end 16.

The sewage disposal device further comprises a sewage disposal bracket 18, the sewage disposal bracket 18 is erected on the ground corresponding to the sewage disposal mechanism, the sewage disposal bracket 18 is arranged at the lower parts of the sewage disposal end 16 and the sewage disposal pump 17, wherein the sewage disposal bracket 18 is used for lifting the sewage disposal end 16 and the sewage disposal pump 17, and the stability of the sewage disposal mechanism is ensured.

Still include supporting mechanism, supporting mechanism includes support frame 19 and supporting beam 20, support frame 19 sets up in the lower part of cell body 1 and with cell body 1 fixed connection, cell body 1 erects subaerial through support frame 19, supporting beam 20 sets up in the lower part of support frame 19 and with support frame 19 fixed connection, supporting mechanism passes through support frame 19 and supporting beam 20 cooperation, support structure as cell body 1 to provide mounting support for cell body 1, wherein, support frame 19 is used for providing mounting support for cell body 1, supporting beam 20 is used for promoting the stability of support frame 19.

The automatic chemical feeding device also comprises an electric control unit 21, wherein the electric control unit 21 is arranged on one side of the supporting frame 19 and is fixedly connected with the supporting frame 19, the electric control unit 21 is electrically connected with the scraper motor 2, the chemical feeding pump 12 and the sewage pump 17, and the electric connection diagram of the automatic chemical feeding device is shown in fig. 4.

The number and the installation positions of the upper scraper assembly and the lower scraper assembly can be adjusted according to actual conditions.

Wherein the flexible scraper 10 is of a rubber pad structure.

Working principle:

the sewage treatment device is arranged at a designated position through the supporting mechanism, sludge enters the tank body 1 through the sewage inlet channel 13, the front filter screen 14 filters the sludge entering the sewage inlet channel 13, large-volume sundries are prevented from entering the tank, in the working process, the scraping mechanism performs rigid scraping and flexible scraping operations on the inner wall of the tank body 1 through the upper scraping plate component and the lower scraping plate component, the sludge cleaning efficiency is improved, in the sludge scraping process, the scraping mechanism can stir the sludge inside the tank body 1, and in the sludge treatment process, the chemical adding mechanism performs automatic chemical adding operations on the sludge inside the tank body 1.

The utility model has the beneficial effects that the scraper mechanism is arranged, double scraping operation can be carried out on the sludge on the inner wall of the tank body, the cleaning efficiency is high, the residual sludge on the inner wall of the tank body is avoided, the scraper mechanism adopts an assembled split structure, the disassembly and the maintenance are convenient, the scraper mechanism has a stirring effect, the sludge can be stirred, the sludge treatment efficiency is improved, the dosing mechanism is arranged, the automatic dosing operation can be carried out on the sludge in the tank body, and the filtering mechanism is arranged, as a front-mounted filtering structure on the tank body, the filtering of large-volume sundries can be carried out, and the blocking phenomenon of the treatment device is avoided.

The foregoing describes one embodiment of the present utility model in detail, but the disclosure is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.

Claims

1. The utility model provides a sewage treatment plant for sewer engineering, includes cell body (1), cell body (1) erect subaerial, its characterized in that still including be used for right scraping mechanism is carried out to cell body (1) inner wall mud, be used for right cell body (1) go on automatic dosing add medicine mechanism and be used for right cell body (1) carry out leading filterable filter mechanism, scraping plate mechanism is located cell body (1) is inside, add medicine mechanism and be located cell body (1) upper end, filter mechanism is located cell body (1) upper portion one side.

2. The sewage treatment device for sewage pipeline engineering according to claim 1, wherein the scraper mechanism comprises a scraper motor (2), a scraper shaft (3), upper scraper components and lower scraper components, the scraper motor (2) is arranged at the upper end of the tank body (1) and is fixedly connected with the tank body (1), the output end of the scraper motor (2) penetrates through the tank body (1) and is arranged downwards, the scraper shaft (3) is arranged at the upper part of the inner side of the tank body (1) corresponding to the scraper motor (2) and is fixedly connected with the output end of the scraper motor (2), the upper scraper components are provided with two groups, the two groups of upper scraper components are symmetrically arranged at the upper part of the scraper shaft (3), the lower scraper components are provided with two groups, and the two groups of lower scraper components are symmetrically arranged at the lower part of the scraper shaft (3).

3. The sewage treatment device for sewage pipeline engineering according to claim 2, wherein the upper scraper assembly comprises two groups of scraper core rods (4), two groups of scraper sleeve rods (5) and rigid scrapers (6), the two groups of scraper core rods (4) are arranged on the upper portion of the scraper shaft (3) at intervals in parallel and fixedly connected with the scraper shaft (3), the two groups of scraper sleeve rods (5) are correspondingly arranged on the two groups of scraper core rods (4), the two groups of scraper sleeve rods (5) are respectively sleeved at one ends of the two groups of scraper core rods (4), the scraper sleeve rods (5) are fixedly connected with the corresponding scraper core rods (4) through screws, the rigid scrapers (6) are arranged at one ends of the two groups of scraper sleeve rods (5) away from the scraper core rods (4) and are fixedly connected with the two groups of scraper sleeve rods (5), and one sides of the rigid scrapers (6) away from the scraper sleeve rods (5) are adhered to the inner wall of the pool body (1).

4. A sewage treatment device for sewage pipeline engineering according to claim 3, characterized in that the lower scraper assembly comprises a scraper socket (7), wing-shaped scrapers (8), positioning bolts (9) and flexible scrapers (10), the scraper socket (7) is arranged on one side of the lower part of the scraper shaft (3) and fixedly connected with the scraper shaft (3), the wing-shaped scrapers (8) are arranged on one side of the scraper socket (7) and are slidably connected with the scraper socket (7), the positioning bolts (9) are provided with two groups, each group of positioning bolts (9) consists of two oppositely arranged bolts, the two groups of positioning bolts (9) are arranged on the side part of the scraper socket (7) at intervals in parallel and penetrate through the scraper socket (7) to be in threaded connection with the scraper socket (7), the positioning bolts (9) are abutted with the wing-shaped scrapers (8), the flexible scrapers (10) are arranged on one end of the wing-shaped scrapers (8) far away from the scraper socket (7) and are fixedly connected with the wing-shaped scrapers (8), and the flexible scrapers (1) are arranged in a fitting manner.

5. The sewage treatment device for sewage pipeline engineering according to claim 4, wherein the dosing mechanism comprises a dosing tank (11) and a dosing pump (12), the dosing tank (11) is arranged on one side of the upper end of the tank body (1) and is fixedly connected with the tank body (1), the dosing pump (12) is arranged on one side of the upper end of the tank body (1) corresponding to the dosing tank (11) and is communicated with the tank body (1) through a pipeline, and the dosing pump (12) is communicated with the dosing tank (11).

6. A sewage treatment apparatus for sewage pipeline engineering according to claim 5, wherein the filtering mechanism comprises a sewage inlet channel (13) and a front filter screen (14), the sewage inlet channel (13) is arranged at one side of the upper part of the tank body (1) and is communicated with the tank body (1), and the front filter screen (14) is arranged at one end of the sewage inlet channel (13) far away from the tank body (1) through a mounting frame.

7. A sewage treatment apparatus for sewage pipeline engineering according to claim 6, further comprising a sewage mechanism, wherein the sewage mechanism comprises a sewage pipeline (15), a sewage end (16) and a sewage pump (17), the sewage pipeline (15) is arranged at the bottom of the tank body (1) and is communicated with the interior of the tank body (1), the sewage end (16) is arranged at the lower end of the sewage pipeline (15) and is communicated with the sewage pipeline (15) through a flange, and the sewage pump (17) is arranged at one side of the sewage end (16) and is communicated with the sewage end (16).

8. A sewage treatment apparatus for sewage plumbing according to claim 7, further comprising a sewage bracket (18), said sewage bracket (18) being erected on the ground in correspondence with a sewage mechanism, said sewage bracket (18) being arranged at the lower portion of said sewage terminal (16) and said sewage pump (17).

9. The sewage treatment device for sewage pipeline engineering according to claim 8, further comprising a supporting mechanism, wherein the supporting mechanism comprises a supporting frame (19) and a supporting beam (20), the supporting frame (19) is arranged at the lower part of the tank body (1) and is fixedly connected with the tank body (1), the tank body (1) is erected on the ground through the supporting frame (19), and the supporting beam (20) is arranged at the lower part of the supporting frame (19) and is fixedly connected with the supporting frame (19).

10. The sewage treatment device for sewage pipeline engineering according to claim 9, further comprising an electric control unit, wherein the electric control unit is arranged on one side of the supporting frame (19) and is fixedly connected with the supporting frame (19), and the electric control unit is electrically connected with the scraper motor (2), the dosing pump (12) and the sewage pump (17).