CN219259781U

CN219259781U - Sewage treatment device

Info

Publication number: CN219259781U
Application number: CN202320120313.5U
Authority: CN
Inventors: 吴成珊; 聂勤俭; 王露; 聂林伟; 谢维
Original assignee: Changsha Trent Energy Science & Technology Co ltd
Current assignee: Changsha Trent Energy Science & Technology Co ltd
Priority date: 2023-01-12
Filing date: 2023-01-12
Publication date: 2023-06-27
Anticipated expiration: 2033-01-12

Abstract

The utility model provides a sewage treatment device, which comprises a dosing chamber, a sedimentation chamber, an aeration chamber, a filtering chamber and a disinfection chamber which are sequentially communicated; a honeycomb filler is arranged in the sedimentation chamber; the aeration chamber is provided with an aeration assembly for generating bubbles and a mud scraping assembly for scraping floating mud, the aeration assembly comprises an aeration tank and an aeration disc, the aeration tank is communicated with the aeration disc, and the aeration disc is arranged at the bottom of the aeration chamber; a filter medium is arranged in the filter chamber; the sedimentation chamber, the aeration chamber and the filter chamber are all communicated with the sludge discharge assembly. The sewage treatment device provided by the utility model has the characteristics of compact structure, small volume, multiple functions and good sewage treatment effect. And the sewage treatment device has a simple internal structure and is convenient for later maintenance.

Description

Sewage treatment device

Technical Field

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

Background

The sewage of industrial enterprises mainly comprises industrial sewage, domestic sewage and initial rainwater. At present, a large amount of industrial enterprises directly drain sewage into a rainwater ditch, which does not meet the current environmental protection requirements, and the polluted rainwater and the industrial sewage are treated to reach the discharge standard for discharge or recycled after reaching the regenerated water standard.

The pollutants in the industrial sewage are different along with different properties of factories, the components are complex, the types are more, such as oil, COD, heavy metal and the like, and the traditional water treatment equipment has the defects of rigid structure, space occupation, single function, poor treatment effect, particularly serious defects in the aspects of internal filtration, disinfection and flocculation, complex operation during later maintenance and high labor cost.

In view of the foregoing, there is a great need for a wastewater treatment apparatus to solve the problems in the prior art.

Disclosure of Invention

The utility model aims to provide a sewage treatment device, which has the following specific technical scheme:

a sewage treatment device comprises a dosing chamber, a sedimentation chamber, an aeration chamber, a filtering chamber and a disinfection chamber which are communicated in sequence;

a honeycomb filler is arranged in the sedimentation chamber; the aeration chamber is provided with an aeration assembly for generating bubbles and a mud scraping assembly for scraping floating mud, the aeration assembly comprises an aeration tank and an aeration disc, the aeration tank is communicated with the aeration disc, and the aeration disc is arranged at the bottom of the aeration chamber; a filter medium is arranged in the filter chamber; the sedimentation chamber, the aeration chamber and the filter chamber are all communicated with the sludge discharge assembly.

Preferably, the sludge scraping assembly comprises a scraper conveyor and a sludge collecting box, the scraper conveyor is arranged at the top of the aeration chamber, the sludge collecting box is arranged in the aeration chamber, one end of the scraper conveyor in the conveying direction is positioned above the sludge collecting box, the other end of the scraper conveyor is positioned in the aeration chamber, and the scraper conveyor is used for scraping floating sludge into the sludge collecting box.

Preferably, the sludge collection tank is in communication with a sludge discharge assembly.

Preferably, the filter further comprises a water pipe, one end of the water pipe is communicated with the aeration chamber, and the other end of the water pipe is communicated with the filter chamber.

Preferably, the mud discharging component comprises a mud bucket, a mud discharging pipe and a mud pool, wherein the mud bucket is arranged at the bottoms of the sedimentation chamber, the aeration chamber, the filter chamber and the mud collecting box, one end of the mud discharging pipe is communicated with the mud bucket, and the other end of the mud discharging pipe is communicated with the mud pool.

Preferably, the dosing chamber comprises a dosing pipe I, a stirrer and a dosing box, wherein the dosing pipe I is used for adding a precipitating agent, the dosing pipe I and the stirrer are arranged at the top of the dosing box, a water inlet of the dosing box is used for being communicated with a sewage source, and a water outlet of the dosing box is communicated with the precipitating chamber.

Preferably, the disinfection chamber comprises a second dosing pipe for adding disinfectant and a baffle plate, the baffle plate is arranged at the top of the disinfection chamber, the disinfection chamber is divided into a first disinfection chamber and a second disinfection chamber along the height direction of the disinfection chamber, a water inlet of the first disinfection chamber is communicated with a water outlet of the filter chamber, the water outlet of the first disinfection chamber is communicated with a water inlet of the second disinfection chamber, and the water outlet of the second disinfection chamber is used for discharging purified water; the second dosing pipe is arranged in the first disinfection cavity.

Preferably, the inclination angle of the honeycomb filler with respect to the water flow direction is 100 ° -120 °.

Preferably, the honeycomb filler is made of polyvinyl chloride or polypropylene.

Preferably, the filter medium is made of quartz sand or activated carbon.

The technical scheme of the utility model has the following beneficial effects:

compared with the traditional water treatment device, the sewage treatment device provided by the utility model realizes the integration of sewage treatment by sequentially communicating the dosing chamber, the settling chamber, the aeration chamber, the filter chamber and the disinfection chamber, injects sewage into the dosing chamber, removes heavy metals, sludge and other impurities in the water through the settling chamber, the aeration chamber and the filter chamber, and finally kills the water through the disinfection chamber to obtain purified water.

In addition to the objects, features and advantages described above, the present utility model has other objects, features and advantages. The present utility model will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 is a schematic view of the overall structure of a sewage treatment apparatus (not shown in a sludge tank) in a preferred embodiment 1 of the present utility model;

wherein, 1-dosing pipe I, 2-agitator, 3-dosing box, 4-honeycomb filler, 5-aeration box, 6-aeration dish, 7-scraper conveyor, 8-mud collecting box, 9-water pipe, 10-filter medium, 11-dosing pipe II, 12-baffle, 13-mud bucket, 14-mud pipe, 15-foot rest.

Detailed Description

The present utility model will be described more fully hereinafter in order to facilitate an understanding of the present utility model, and preferred embodiments of the present utility model are set forth. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

Example 1:

referring to fig. 1, a sewage treatment apparatus includes a dosing chamber, a settling chamber, an aeration chamber, a filtering chamber, and a sterilizing chamber which are sequentially communicated; the sewage treatment device is also provided with a plurality of foot stands 15, and the foot stands 15 are used for supporting the sewage treatment device.

The dosing chamber comprises a dosing pipe 1, a stirrer 2 and a dosing tank 3, wherein the dosing pipe 1 is used for adding a precipitating agent, the dosing pipe 1 and the stirrer 2 are arranged at the top of the dosing tank 3, a water inlet of the dosing tank 3 is communicated with a sewage source, a water outlet of the dosing tank is communicated with the precipitating chamber, and a water inlet and a water outlet of the dosing tank 3 are arranged on the upper portion of the dosing tank 3, so that sewage can be fully mixed with the precipitating agent, and overflows into the precipitating chamber.

A honeycomb filler 4 is arranged in the sedimentation chamber; the inclination angle of the honeycomb filler 4 with respect to the water flow direction was 115 °. The honeycomb filler 4 is made of polyvinyl chloride, a water outlet of the sedimentation chamber is arranged at the upper part of the honeycomb filler, and filtered sewage overflows into the aeration chamber.

The aeration chamber is provided with an aeration assembly for generating bubbles and a mud scraping assembly for scraping floating mud, the aeration assembly comprises an aeration tank 5 and an aeration disc 6, the aeration tank 5 is communicated with the aeration disc 6, and the aeration disc 6 is arranged at the bottom of the aeration chamber; the sludge scraping assembly comprises a scraper conveyor 7 and a sludge collecting box 8, the scraper conveyor 7 is arranged at the top of the aeration chamber, the sludge collecting box 8 is arranged in the aeration chamber, one end of the scraper conveyor 7 in the conveying direction is located above the sludge collecting box 8, the other end of the scraper conveyor 7 in the aeration chamber, and the scraper conveyor 7 is used for scraping floating sludge into the sludge collecting box 8.

A filter medium 10 is arranged in the filter chamber, and the filter medium 10 is made of activated carbon; the sedimentation chamber, the aeration chamber, the sludge collection box 8 and the filter chamber are all communicated with the sludge discharge assembly, the aeration chamber is communicated with the filter chamber through a water pipe 9, a water outlet of the filter chamber is arranged at the upper part of the filter chamber, and filtered sewage overflows into the disinfection chamber.

The mud discharging assembly comprises a mud bucket 13, a mud discharging pipe 14 and a mud pool, the mud bucket 13 is arranged at the bottoms of the sedimentation chamber, the aeration chamber, the filter chamber and the mud collecting box 8, one end of the mud discharging pipe 14 is communicated with the mud bucket 13, the other end of the mud discharging pipe is communicated with the mud pool, and the mud discharging pipe 14 is further arranged at the bottom of the dosing chamber.

The disinfection chamber comprises a dosing pipe II 11 for adding disinfectant and a partition plate 12, the partition plate 12 is arranged at the top of the disinfection chamber, the disinfection chamber is divided into a disinfection chamber I and a disinfection chamber II along the height direction of the disinfection chamber, a water inlet of the disinfection chamber I is communicated with a water outlet of the filtering chamber, the water outlet of the disinfection chamber I is communicated with a water inlet of the disinfection chamber II, and the water outlet of the disinfection chamber II is used for discharging purified water; the second dosing pipe 11 is arranged in the first disinfection cavity. In the embodiment, the water outlet of the disinfection chamber, the water inlet of the aeration chamber and the inlet of the sludge collection box are positioned at the same height, so that the sludge is collected to the sludge collection box by utilizing the principle of a communicating vessel and a scraper conveyor.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The sewage treatment device is characterized by comprising a dosing chamber, a sedimentation chamber, an aeration chamber, a filtering chamber and a disinfection chamber which are sequentially communicated;

a honeycomb filler (4) is arranged in the sedimentation chamber; the aeration chamber is provided with an aeration assembly for generating bubbles and a mud scraping assembly for scraping floating mud, the aeration assembly comprises an aeration tank (5) and an aeration disc (6), the aeration tank (5) is communicated with the aeration disc (6), and the aeration disc (6) is arranged at the bottom of the aeration chamber; a filter medium (10) is arranged in the filter chamber; the sedimentation chamber, the aeration chamber and the filter chamber are all communicated with the sludge discharge assembly.

2. The sewage treatment device according to claim 1, wherein the sludge scraping assembly comprises a scraper conveyor (7) and a sludge collecting box (8), the scraper conveyor (7) is arranged at the top of the aeration chamber, the sludge collecting box (8) is arranged in the aeration chamber, one end of the scraper conveyor (7) in the conveying direction is positioned above the sludge collecting box (8), the other end of the scraper conveyor is positioned in the aeration chamber, and the scraper conveyor (7) is used for scraping floating sludge into the sludge collecting box (8).

3. A sewage treatment device according to claim 2, wherein the sludge collection tank (8) is in communication with a sludge discharge assembly.

4. A sewage treatment device according to claim 3, further comprising a water passing pipe (9), one end of the water passing pipe (9) being communicated with the aeration chamber, and the other end being communicated with the filtering chamber.

5. A sewage treatment device according to claim 3, wherein the sludge discharge assembly comprises a sludge hopper (13), a sludge discharge pipe (14) and a sludge pond, the sludge hopper (13) is arranged at the bottoms of the sedimentation chamber, the aeration chamber, the filter chamber and the sludge collection box (8), one end of the sludge discharge pipe (14) is communicated with the sludge hopper (13), and the other end is communicated with the sludge pond.

6. The sewage treatment device according to claim 1, wherein the dosing chamber comprises a dosing tube I (1), a stirrer (2) and a dosing tank (3), the dosing tube I (1) is used for adding a precipitating agent, the dosing tube I (1) and the stirrer (2) are arranged at the top of the dosing tank (3), a water inlet of the dosing tank (3) is used for being communicated with a sewage source, and a water outlet of the dosing tank is communicated with the precipitating chamber.

7. The sewage treatment device according to claim 1, wherein the disinfection chamber comprises a dosing tube II (11) for adding disinfectant and a partition plate (12), the partition plate (12) is arranged at the top of the disinfection chamber, and divides the disinfection chamber along the height direction of the disinfection chamber into a disinfection chamber I and a disinfection chamber II, a water inlet of the disinfection chamber I is communicated with a water outlet of the filtering chamber, the water outlet of the disinfection chamber I is communicated with a water inlet of the disinfection chamber II, and the water outlet of the disinfection chamber II is used for discharging purified water; the second dosing pipe (11) is arranged in the first disinfection cavity.

8. A sewage treatment device according to claim 1, characterized in that the inclination angle of the honeycomb filler (4) with respect to the water flow direction is 100 ° -120 °.

9. The sewage treatment device according to claim 1, wherein the honeycomb filler (4) is made of polyvinyl chloride or polypropylene.

10. The sewage treatment apparatus according to claim 1, wherein the filter medium (10) is made of quartz sand or activated carbon.