CN220449912U

CN220449912U - MBBR (moving bed biofilm reactor) for sewage treatment

Info

Publication number: CN220449912U
Application number: CN202321023675.9U
Authority: CN
Inventors: 朱晓禹; 王永辉; 王政委; 董斌; 张恩琪
Original assignee: Jiangsu Aonisi Environmental Protection Technology Co ltd
Current assignee: Jiangsu Aonisi Environmental Protection Technology Co ltd
Priority date: 2023-04-27
Filing date: 2023-04-27
Publication date: 2024-02-06
Anticipated expiration: 2033-04-27

Abstract

The utility model discloses an MBBR reactor for sewage treatment, which comprises the following steps: the main body unit comprises a shell, wherein the shell is fixedly connected with a water inlet pipe and a water outlet pipe respectively, and the inner side wall of the water outlet pipe is fixedly connected with a grid; the cleaning unit comprises a reciprocating screw, a movable sleeve is connected to the reciprocating screw in a threaded manner, a connecting rod is fixedly connected to the movable sleeve, a brush plate is fixedly connected to the connecting rod, a rotating assembly is arranged between the shell and the reciprocating screw, and a driving assembly is arranged between the water inlet pipe and the rotating assembly. According to the utility model, a user injects water into the shell through the water inlet pipe, and when water flows through the water inlet pipe, the reciprocating screw rod is driven to rotate, so that the movable sleeve moves up and down, the brush plate is driven to move up and down along with the connecting rod, the grid is cleaned, the grid is prevented from being blocked, the operation is simple and convenient, the manual cleaning of a worker is not required, the operation is simple and convenient, and the working efficiency is improved.

Description

MBBR (moving bed biofilm reactor) for sewage treatment

Technical Field

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

Background

And (5) sewage treatment. The sewage is purified to meet the water quality requirement of being discharged into a certain water body or reused. The sewage treatment is widely applied to various fields of buildings, agriculture, traffic, energy sources, petrifaction, environmental protection, urban landscapes, medical treatment, catering and the like, and the sewage treatment is increasingly carried into the daily life of common people. The MBBR technology principle is to increase biomass and biological species in the reactor by adding a certain amount of suspension carriers into the reactor, thereby increasing the treatment efficiency of the reactor. Because the density of the filler is close to that of water, the filler is in a complete mixing state with the water during aeration, and the environment for microorganism growth is in gas, liquid and solid phases. The collision and shearing action of the carrier in the water ensures that air bubbles are finer, and the utilization rate of oxygen is increased. In addition, each carrier has different biological species inside and outside, anaerobic bacteria or facultative bacteria grow inside, aerobic bacteria grow outside, so that each carrier is a micro-reactor, and the nitrification reaction and the denitrification reaction exist simultaneously, thereby improving the treatment effect.

In order to prevent the filler from running off along with the treatment water, the device is required to be provided with a grid at the water outlet pipe when in use, however, the phenomenon that the grid is blocked by suspended sludge easily occurs at the grid when in use, and the device needs to be cleaned regularly by staff, so that the workload of the staff is increased, and the working efficiency is lower.

Disclosure of Invention

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description summary and in the title of the application, to avoid obscuring the purpose of this section, the description summary and the title of the utility model, which should not be used to limit the scope of the utility model.

The present utility model has been made in view of the above problems with the existing MBBR reactors.

Therefore, the utility model aims to provide an MBBR reactor for sewage treatment, which aims to solve the problems that 'the phenomenon that suspended sludge is easy to block the grid when the reactor is used, workers are required to clean the reactor regularly, the workload of the workers is increased, and the working efficiency is lower'.

In order to solve the technical problems, the utility model provides the following technical scheme:

an MBBR reactor for sewage treatment comprising:

the main body unit comprises a shell, wherein a plurality of supporting legs are symmetrically and fixedly connected to the bottom surface of the shell, a water inlet pipe and a water outlet pipe are respectively and fixedly connected to the shell, a grid is fixedly connected to the inner side wall of the water outlet pipe, and an aeration assembly is arranged on the shell;

the cleaning unit comprises a reciprocating screw, the reciprocating screw is rotationally connected to the inner top wall of the shell, a movable sleeve is connected to the reciprocating screw in a threaded mode, a connecting rod is fixedly connected to the movable sleeve, a brush plate is fixedly connected to the connecting rod, the brush plate is matched with the grid, a rotating assembly is arranged between the shell and the reciprocating screw, and a driving assembly is arranged between the water inlet pipe and the rotating assembly.

As a preferred scheme of the MBBR reactor for sewage treatment, the utility model comprises the following steps: the reciprocating screw is rotationally connected to the fixed plate, the guide rod is fixedly connected to the fixed plate, and the movable sleeve is slidably connected to the guide rod.

As a preferred scheme of the MBBR reactor for sewage treatment, the utility model comprises the following steps: the rotating assembly comprises an annular toothed plate, the annular toothed plate is rotationally connected to the inner side wall of the shell, a first gear is arranged above the water inlet pipe, a second gear is fixedly connected to the reciprocating screw rod, and the first gear and the second gear are both meshed with the annular toothed plate.

As a preferred scheme of the MBBR reactor for sewage treatment, the utility model comprises the following steps: the driving assembly comprises a rotating rod, the rotating rod is rotatably inserted on the water inlet pipe, the first gear is fixedly connected to the rotating rod, an impeller is fixedly connected to the rotating rod, and a semicircular plate is fixedly connected to the inner side wall of the water inlet pipe on the right side of the impeller.

As a preferred scheme of the MBBR reactor for sewage treatment, the utility model comprises the following steps: the aeration assembly comprises a vertical pipe, the vertical pipe is fixedly inserted on the shell, a plurality of transverse pipes are symmetrically and fixedly connected to the bottom end of the vertical pipe, and a plurality of air outlet holes are formed in the transverse pipes.

As a preferred scheme of the MBBR reactor for sewage treatment, the utility model comprises the following steps: the tail end of the water inlet pipe extends to the bottom of the shell, and the bottom end of the water inlet pipe is positioned above the transverse pipe.

The utility model has the beneficial effects that:

during the use, the user passes through the inlet tube and to the water injection in the casing, and when rivers pass through the inlet tube, drive the impeller and rotate for the dwang rotates, drives first gear and rotates, makes annular pinion rack rotate, drives the second gear and rotates, drives reciprocating screw and rotates, makes and removes the cover up-and-down motion, drives the brush board and cleans grid department along with the connecting rod up-and-down motion, avoids the grid to take place to block up, and easy operation is convenient, and need not the staff and clear up manually, and easy operation is convenient, has improved work efficiency.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein the method comprises the steps of the method comprises the following steps:

FIG. 1 is a schematic diagram of the overall structure of a MBBR reactor for wastewater treatment according to the present utility model;

FIG. 2 is a schematic cross-sectional view of FIG. 1;

fig. 3 is a schematic view of a partial structure in the housing in fig. 2.

In the figure: 100. a main body unit; 101. a housing; 102. support legs; 103. a water inlet pipe; 104. a water outlet pipe; 105. a grille; 106. an aeration assembly; 106a, a riser; 106b, a transverse tube; 106c, air outlet holes; 200. a cleaning unit; 201. a reciprocating screw; 202. a fixing plate; 203. a moving sleeve; 204. a connecting rod; 205. brushing a plate; 206. a guide rod; 207. a rotating assembly; 207a, annular toothed plates; 207b, a first gear; 207c, a second gear; 208. a drive assembly; 208a, a rotating lever; 208b, impellers; 208c, semicircular plate.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.

Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Further, in describing the embodiments of the present utility model in detail, the cross-sectional view of the device structure is not partially enlarged to a general scale for convenience of description, and the schematic is only an example, which should not limit the scope of protection of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.

Referring to FIGS. 1-3, the present utility model provides an MBBR reactor for sewage treatment, comprising:

the main body unit 100 comprises a shell 101, wherein a plurality of supporting legs 102 are symmetrically and fixedly connected to the bottom surface of the shell 101, a water inlet pipe 103 and a water outlet pipe 104 are respectively and fixedly connected to the shell 101, a grid 105 is fixedly connected to the inner side wall of the water outlet pipe 104, and an aeration assembly 106 is arranged on the shell 101;

the cleaning unit 200 comprises a reciprocating screw 201, the reciprocating screw 201 is rotatably connected to the inner top wall of the shell 101, a movable sleeve 203 is in threaded connection with the reciprocating screw 201, a connecting rod 204 is fixedly connected to the movable sleeve 203, a brush plate 205 is fixedly connected to the connecting rod 204, the brush plate 205 is matched with the grid 105, a rotating assembly 207 is arranged between the shell 101 and the reciprocating screw 201, and a driving assembly 208 is arranged between the water inlet pipe 103 and the rotating assembly 207.

Wherein, fixed plate 202 is fixedly connected to the inner side wall of casing 101, reciprocating screw 201 rotates and connects on fixed plate 202, fixed plate 202 is last fixedly connected with guide bar 206, and movable sleeve 203 sliding connection is on guide bar 206 for when reciprocating screw 201 rotates, under the effect of guide bar 206, movable sleeve 203 moves up and down along guide bar 206, drives brush board 205 up-and-down motion.

Further, the rotating assembly 207 comprises an annular toothed plate 207a, the annular toothed plate 207a is rotatably connected to the inner side wall of the casing 101, a first gear 207b is arranged above the water inlet pipe 103, a second gear 207c is fixedly connected to the reciprocating screw 201, and the first gear 207b and the second gear 207c are both in meshed connection with the annular toothed plate 207a, so that when the first gear 207b rotates, the annular toothed plate 207a can be driven to rotate, and the second gear 207c rotates to drive the reciprocating screw 201 to rotate.

Further, the driving assembly 208 includes a rotation rod 208a, the rotation rod 208a rotates and is inserted on the water inlet pipe 103, the first gear 207b is fixedly connected on the rotation rod 208a, the impeller 208b is fixedly connected on the rotation rod 208a, and the semicircular plate 208c is fixedly connected on the inner side wall of the water inlet pipe 103 on the right side of the impeller 208b, so that when water flows through the water inlet pipe 103, under the blocking of the semicircular plate 208c, water flows through one side of the impeller 208b, the impeller 208b is driven to rotate, and the rotation rod 208a is driven to rotate, so that the first gear 207b is driven to rotate.

Further, the aeration assembly 106 includes a vertical pipe 106a, the vertical pipe 106a is fixedly inserted in the casing 101, the bottom end of the vertical pipe 106a is symmetrically and fixedly connected with a plurality of transverse pipes 106b, a plurality of air outlet holes 106c are formed in the transverse pipes 106b, so that air flow can enter the casing 101 through the vertical pipe 106a and the transverse pipes 106b, and the air can be uniformly distributed in the casing 101 due to the arrangement of the plurality of transverse pipes 106 b.

Further, the end of the water inlet pipe 103 extends to the bottom of the shell 101, and the bottom end of the water inlet pipe 103 is located above the transverse pipe 106b, so that sewage can flow into the bottom of the shell 101 through the water inlet pipe 103, and the sewage can fully react.

During the use, the user is through the water injection in inlet tube 103 to casing 101, when rivers pass through inlet tube 103, drive impeller 208b and rotate for dwang 208a rotates, drive first gear 207b and rotate, make annular pinion rack 207a rotate, drive second gear 207c and rotate, drive reciprocating screw 201 and rotate, make movable sleeve 203 up-and-down motion, drive brush board 205 and along with connecting rod 204 up-and-down motion, clean grid 105 department, avoid grid 105 to take place to block up, easy operation is convenient, and need not the staff and clear up manually, easy operation is convenient, work efficiency has been improved.

It should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered in the scope of the claims of the present utility model.

Claims

1. An MBBR reactor for sewage treatment, characterized in that: comprising the following steps:

the main body unit (100) comprises a shell (101), wherein a plurality of supporting legs (102) are symmetrically and fixedly connected to the bottom surface of the shell (101), a water inlet pipe (103) and a water outlet pipe (104) are respectively and fixedly connected to the shell (101), a grid (105) is fixedly connected to the inner side wall of the water outlet pipe (104), and an aeration assembly (106) is arranged on the shell (101);

cleaning unit (200), including reciprocating screw (201), reciprocating screw (201) rotate and connect on housing (101) inner roof, threaded connection has movable sleeve (203) on reciprocating screw (201), fixedly connected with connecting rod (204) on movable sleeve (203), fixedly connected with brush board (205) on connecting rod (204), brush board (205) cooperatees with grid (105), be equipped with rotation subassembly (207) between housing (101) and reciprocating screw (201), be equipped with drive assembly (208) between inlet tube (103) and rotation subassembly (207).

2. An MBBR reactor for sewage treatment according to claim 1, wherein: the reciprocating screw (201) is rotationally connected to the fixed plate (202), a guide rod (206) is fixedly connected to the fixed plate (202), and the movable sleeve (203) is slidably connected to the guide rod (206).

3. An MBBR reactor for sewage treatment according to claim 2, wherein: the rotating assembly (207) comprises an annular toothed plate (207 a), the annular toothed plate (207 a) is rotationally connected to the inner side wall of the shell (101), a first gear (207 b) is arranged above the water inlet pipe (103), a second gear (207 c) is fixedly connected to the reciprocating screw (201), and the first gear (207 b) and the second gear (207 c) are both in meshed connection with the annular toothed plate (207 a).

4. A MBBR reactor for sewage treatment according to claim 3, wherein: the driving assembly (208) comprises a rotating rod (208 a), the rotating rod (208 a) is rotatably inserted on the water inlet pipe (103), the first gear (207 b) is fixedly connected to the rotating rod (208 a), an impeller (208 b) is fixedly connected to the rotating rod (208 a), and a semicircular plate (208 c) is fixedly connected to the inner side wall of the water inlet pipe (103) on the right side of the impeller (208 b).

5. An MBBR reactor for sewage treatment according to claim 4, wherein: the aeration assembly (106) comprises a vertical pipe (106 a), the vertical pipe (106 a) is fixedly inserted on the shell (101), a plurality of transverse pipes (106 b) are symmetrically and fixedly connected to the bottom end of the vertical pipe (106 a), and a plurality of air outlet holes (106 c) are formed in the transverse pipes (106 b).

6. An MBBR reactor for sewage treatment according to claim 5, wherein: the tail end of the water inlet pipe (103) extends to the bottom of the shell (101), and the bottom end of the water inlet pipe (103) is positioned above the transverse pipe (106 b).