CN114162957A

CN114162957A - Novel water interception system is crossed to MBBR technology

Info

Publication number: CN114162957A
Application number: CN202111366870.7A
Authority: CN
Inventors: 黄翀; 黄东辉; 刘小欢; 黄宇; 凌锐; 蒋永丰; 申晨希
Original assignee: Jiangsu Yulong Environment Protection Co ltd
Current assignee: Jiangsu Yulong Environment Protection Co ltd
Priority date: 2021-11-17
Filing date: 2021-11-17
Publication date: 2022-03-11

Abstract

The invention discloses a novel MBBR (moving bed biofilm reactor) process water interception system, which comprises: an MBBR pool; the water inlet is arranged on one side of the MBBR tank; the water outlet is arranged on the other side of the MBBR tank; the aeration disc is fixedly arranged at the bottom end of the inner cavity of the MBBR tank; the submersible mixing pump is fixedly arranged on one side of the inner cavity of the MBBR pool; the water crossing intercepting mechanism is arranged in the inner cavity of the MBBR tank. This novel MBBR technology water interception system through being provided with water interception mechanism to a great deal of drawback of traditional block net formula filler interception mode has been solved in key, the cost is reduced, the better fluidization problem of having solved the filler, and the water yield is stable continuous, and operating power is little.

Description

Novel water interception system is crossed to MBBR technology

Technical Field

The invention relates to the technical field of sewage treatment, in particular to a novel MBBR (moving bed biofilm reactor) process water interception system.

Background

Along with the needs of upgrading or improving the quantity of sewage treatment plants in China, an MBBR and Activated Sludge are fused to form a Suspended biofilm-Activated Sludge composite Process (ISBAS Process) for improving the standards of the sewage treatment plants, and particularly has a good effect on denitrification, and the Process principle is as follows: the technical key is the active biological filler which can be quickly filmed under the aerobic, anoxic and anaerobic conditions. The sewage treatment system has the advantages of good treatment effect, strong impact load resistance, simple operation management, convenient upgrading, reconstruction and construction and the like, and is widely applied to upgrading and reconstruction of sewage plants;

after the filler is added into the activated sludge reactor, a blocking net needs to be arranged in the filler pool to block the filler from flowing out of the filler pool, the conventional method is to arrange a blocking screen at the tail end, water passes through the blocking net in cooperation with auxiliary aeration, and the blocking net cannot be blocked by the filler, but the method has a plurality of defects: 1. the construction is troublesome, the site fabrication is basically needed, and the prefabrication cannot be realized; 2. the area of the barrier net is large, the materials are basically stainless steel, and the investment is large; 3. auxiliary aeration is needed to avoid blocking the area of the blocking net and influencing water passing;

the designer is based on the practical experience and professional knowledge which are abundant for years when the product engineering is applied, and is matched with the application of the theory, the research and innovation are actively carried out, and the novel water interception system is expected to be invented.

Disclosure of Invention

The invention aims to provide a novel water interception system for an MBBR (moving bed biofilm reactor) process, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a novel water interception system for MBBR (moving bed biofilm reactor) process comprises:

an MBBR pool;

the water inlet is arranged on one side of the MBBR tank;

the water outlet is arranged on the other side of the MBBR tank;

the aeration disc is fixedly arranged at the bottom end of the inner cavity of the MBBR tank;

the submersible mixing pump is fixedly arranged on one side of the inner cavity of the MBBR pool;

the water crossing intercepting mechanism is arranged in the inner cavity of the MBBR tank.

Preferably, the water intercepting mechanism includes: the inner pipe is fixedly provided with mounting frames at two ends of the outer wall of the inner pipe, and the mounting frames are fixedly arranged in the inner cavity of the MBBR tank; the outer pipe is sleeved with the outer wall of the inner pipe; the outer wall of the outer pipe is in interference fit with one end of the water outlet pipe, and the other end of the water outlet pipe is in threaded connection with one end of the water outlet; and the two ends of the outer pipe are hermetically arranged with the outer wall of the inner pipe.

Preferably, the outer wall of the inner pipe is provided with a plurality of water outlet meshes.

Preferably, the inner tube is arranged in an inclined manner from right to left, and one end of the inner tube is close to the water inlet.

A construction method of a building shear wall formwork supporting structure comprises the following steps:

step (1): the inner pipe is arranged at the position of a water outlet of the MBBR tank and can be roughly divided into parallel or horizontal arrangement according to the water outlet and a connection mode;

step (2): pumping water into the inner pipe by using a submersible stirring pump, wherein the water and the filler in the water simultaneously enter the inner pipe and are pushed inwards under the action of pressure flow;

and (3): pack and water and after getting into the inner tube, pack and continue the fluidization through one side that the inner tube got back to the MBBR pond under the pressure action, so can guarantee the fluidization of packing, but also can solve and can not lead to the flow to reduce because of the jam of packing passing through water mouthful position, unfavorable condition such as water level rising, the water that gets into the inner tube flows into in the business turn over water mouth at last in the play water mesh that arranges on through the inner tube of water of inner tube under the effect of pressure flow and ceaselessly flows out.

The novel MBBR process water interception system has the beneficial effects that:

the invention mainly solves a plurality of defects of the traditional blocking type filler blocking mode by arranging the water passing blocking mechanism, reduces the cost, better solves the fluidization problem of the filler, has stable and continuous water outlet amount and small operation power, and also has the following advantages:

1. the modular design is adopted, and the installation is convenient;

2. manpower and material resources are saved, and the engineering cost is reduced;

3. the application range is wide, and the device can be applied to various pool types;

4. better guarantee filler fluidization, accelerate the speed of film formation;

5. the flow rate of the discharged water can be stably controlled.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic illustration of an explosive structure according to the present invention;

fig. 3 is a top cross-sectional view of the inner tube of the present invention.

In the figure: 1. MBBR pond, 2, water inlet, 3, delivery port, 4, aeration dish, 5, dive agitator pump, 6, water interception mechanism, 61, inner tube, 62, mounting bracket, 63, outer tube, 64, outlet pipe, 65, the play water mesh.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a novel water interception system for MBBR (moving bed biofilm reactor) process comprises: MBBR pond 1, water inlet 2, delivery port 3, aeration dish 4, dive agitator pump 5 and water interception mechanism 6, water inlet 2 sets up the one side in MBBR pond 1, delivery port 3 sets up the opposite side in MBBR pond 1, aeration dish 4 is fixed to be set up the inner chamber bottom in MBBR pond 1, dive agitator pump 5 is fixed to be set up in MBBR pond 1's inner chamber one side, dive agitator pump 5 is prior art, go into inner tube 61 with dive agitator pump 5 with water pump, water and wherein filler get into wherein simultaneously, the dive agitator pump model that accords with the present case all can use, inwards impel under the pressure flow effect, water interception mechanism 6 sets up the inner chamber in MBBR pond 1.

Preferably, the water intercepting means 6 further comprises: the water-saving device comprises an inner pipe 61, a mounting frame 62, an outer pipe 63 and a water outlet pipe 64, wherein the mounting frame 62 is fixedly arranged at two ends of the outer wall of the inner pipe 61, the mounting frame 62 is fixedly arranged in the inner cavity of the MBBR tank 1, filler returns to one side of the MBBR tank 1 through the inner pipe 61 under the action of pressure and is continuously fluidized, the outer pipe 63 is sleeved with the outer wall of the inner pipe 61, the pipe diameter ratio of the inner pipe 61 to the outer pipe 63 is adjusted between 1:3 and 1:5, one end of the water outlet pipe 64 is in interference fit with the outer wall of the outer pipe 63, the other end of the water outlet pipe 64 is in threaded connection with one end of the water outlet 3, water entering the outer pipe 63 can flow into the water inlet/outlet 3 through the water outlet pipe 64, and the two ends of the outer pipe 63 and the outer wall of the inner pipe 61 are arranged in a sealing mode.

Preferably, the outer wall of the inner tube 61 is provided with a plurality of water outlet meshes 65, and the size of the water outlet meshes is less than 5mm, so as to prevent the filler from flowing into the outer tube 63 through the water outlet meshes 65.

Preferably, the inner pipe 61 is inclined upward from right to left, and one end of the inner pipe 61 is close to the water inlet 2, so that the filler can flow into the water inlet 3 through the inner pipe 61, and the water flowing into the MBBR tank 1 through the water inlet 3 can be prevented from directly flowing into the inner pipe 61.

A novel MBBR technology water interception system comprises the following steps:

step (1): the inner pipe 61 is placed at the position of the water outlet 3 of the MBBR tank 1, and can be roughly divided into parallel placement or 45-degree placement according to the water outlet 3 and a connection mode;

step (2): pumping water into the inner pipe 61 by using a submersible stirring pump 5, wherein the water and the filler in the water simultaneously enter the inner pipe and are pushed inwards under the action of pressure flow;

and (3): after the filler and the water enter the inner pipe 61, the filler returns to one side of the MBBR tank 1 through the inner pipe 61 under the action of pressure to continue fluidization, so that the fluidization effect of the filler can be ensured, the adverse conditions that the flow is reduced and the water level rises due to the blockage of the filler at the water passing port can be solved, the water entering the inner pipe 61 flows out continuously under the action of pressure flow through the water outlet mesh 65 arranged on the inner pipe 61, and finally flows into the water inlet/outlet port 3 at the water outlet pipe 64 of the outer pipe 63.

In practice, there are many embodiments:

1. the length of the overlapped part of the inner pipe 61 and the outer pipe 63 can be adjusted according to the requirement of the running water quantity;

2. in actual operation, the submersible stirring pump 5 adopts a 1-in-1 or 2-in-1 mode;

3. modular assembly, a plurality of systems can be installed in parallel when the water amount is large;

4. in the plug flow type pool, the tail end of the inner pipe 61 can be connected to the position of the water inlet 3 of the MBBR pool 1 through a wall, so that the circulating fluidization function of the filler is realized;

5. in order to adjust the flow rate of the discharged water, the outer pipe 63 is provided with meshes, the mesh size is less than 3mm, and the porosity is less than 20%.

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

Claims

1. The utility model provides a novel water interception system is crossed to MBBR technology which characterized in that includes:

an MBBR pool (1);

the water inlet (2) is arranged on one side of the MBBR tank (1);

the water outlet (3) is arranged on the other side of the MBBR tank (1);

the aeration disc (4) is fixedly arranged at the bottom end of the inner cavity of the MBBR tank (1);

the submersible mixing pump (5) is fixedly arranged on one side of the inner cavity of the MBBR pool (1);

the water crossing intercepting mechanism (6) is arranged in the inner cavity of the MBBR pool (1).

2. The novel MBBR process water interception system of claim 1, which is characterized in that: the water intercepting mechanism (6) comprises:

the inner pipe (61), mounting racks (62) are fixedly arranged at two ends of the outer wall of the inner pipe (61), and the mounting racks (62) are fixedly arranged in the inner cavity of the MBBR tank (1);

the outer pipe (63) is sleeved with the outer wall of the inner pipe (61);

the outer wall of the outer pipe (63) is in interference fit with one end of the water outlet pipe (64), and the other end of the water outlet pipe (64) is in threaded connection with one end of the water outlet (3);

wherein, both ends of the outer pipe (63) are arranged with the outer wall of the inner pipe (61) in a sealing way.

3. The novel MBBR process water interception system of claim 2, which is characterized in that: the outer wall of the inner pipe (61) is provided with a plurality of water outlet meshes (65).

4. The novel MBBR process water interception system of claim 2, which is characterized in that: the inner tube (61) is arranged in an upward inclined mode from right to left, and one end of the inner tube (61) is close to the water inlet (2).

5. The novel MBBR process water interception system of any one of claims 1-4, wherein: the method comprises the following steps:

step (1): the inner pipe (61) is placed at the position of the water outlet (3) of the MBBR tank (1), and can be roughly divided into parallel or 45-degree placement according to the water outlet (3) and the connection mode;

step (2): pumping water into the inner pipe (61) by using a submersible stirring pump (5), wherein the water and the filler in the water simultaneously enter the inner pipe and are pushed inwards under the action of pressure flow;

and (3): after the filler and the water enter the inner pipe (61), the filler returns to one side of the MBBR tank (1) through the inner pipe (61) under the action of pressure to continue fluidization, so that the fluidization effect of the filler can be ensured, the adverse conditions that the flow is reduced and the water level rises at the position of a water passing port due to the blockage of the filler and the like can be solved, the water entering the inner pipe (61) flows out continuously under the action of pressure flow through water outlet meshes (65) arranged on the inner pipe (61), and finally flows into the water inlet and outlet (3) at a water outlet pipe (64) of the outer pipe (63).