CN214829777U

CN214829777U - Efficient domestic sewage zero release processing apparatus

Info

Publication number: CN214829777U
Application number: CN202120886562.6U
Authority: CN
Inventors: 吴昊
Original assignee: Suzhou Dengfeng Environmental Engineering Co ltd
Current assignee: Suzhou Dengfeng Environmental Engineering Co ltd
Priority date: 2021-04-27
Filing date: 2021-04-27
Publication date: 2021-11-23
Anticipated expiration: 2031-04-27

Abstract

The utility model discloses an efficient domestic sewage zero release processing apparatus, including the waste pipe, the equalizing basin is connected to the waste pipe, and one side of equalizing basin is equipped with special microbial processor one, special microbial processor two, special microbial processor three and special microbial processor four, and one side of special microbial processor four is equipped with the disinfection pond. Compared with the prior art, the utility model the advantage lie in: after the domestic sewage is treated by the treatment device of the utility model, the effluent quality is good and the stability is high; the occupied area is more saved; the effluent is not influenced by factors such as sludge expansion, air temperature and the like; the denitrification efficiency is greatly improved, and simultaneously, because the system has long sludge age, the generated residual sludge is small.

Description

Efficient domestic sewage zero release processing apparatus

Technical Field

The utility model relates to a domestic sewage carries out the biochemical treatment field, specifically indicates an efficient domestic sewage zero release processing apparatus.

Background

With the utility model discloses closest background art: the A/O method (patent document [1] Dupeng flying, Xusheng, Lijun, a high-efficiency domestic wastewater treatment process and system, CN103663841A [ P ]). The technical measures of the method are as follows: the system construction adopts an A/O method. Domestic sewage enters a grid well through a pipe network to intercept particulate matters and impurities, effluent automatically flows into an adjusting tank, wastewater in the adjusting tank is lifted to a hydrolysis acidification tank, a contact oxidation tank and a secondary sedimentation tank through a water pump, supernatant in the secondary sedimentation tank is discharged after being disinfected, and sludge is concentrated and then discharged into a septic tank.

However, the prior art has the following disadvantages:

1: the conventional biochemical treatment method is easy to cause sludge bulking;

2: the quality of the discharged water is unstable, and the discharged water is unqualified sometimes due to water inlet fluctuation, air temperature influence and the like;

3: the occupied area is large;

4: can not be treated to the recycling level and can only reach the emission standard.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model aims to solve the technical problem that the effluent quality of water of overcoming sewage treatment plant among the prior art is unstable, handles the low problem of purification level to provide a high efficiency and guarantee that effluent quality of water is good, the high domestic sewage zero release processing apparatus of stability.

In order to solve the technical problem, the utility model discloses an efficient domestic sewage zero release processing apparatus, including the waste pipe, the equalizing basin is connected to the waste pipe, and one side of equalizing basin is equipped with special microbial processor one, special microbial processor two, special microbial processor three and special microbial processor four, and one side of special microbial processor four is equipped with the disinfection pond.

In an embodiment of the present invention, a second basket grid is disposed between the wastewater pipe and the regulating tank.

In one embodiment of the present invention, a third lift pump is installed between the adjusting tank and the first special microbial processor.

In one embodiment of the utility model, the submersible mixer is installed on the top of the special microorganism processor.

In an embodiment of the present invention, a first lift pump and a second lift pump are installed at the bottom between the third special microbial processor and the fourth special microbial processor, and a first basket grid is installed at the top of the first lift pump.

In an embodiment of the present invention, the membrane module is installed inside the special microbial processor four, the coagulant adding port is installed on one side of the top of the special microbial processor four, and the disinfectant adding port one is installed in the center of the top of the special microbial processor four.

In an embodiment of the utility model, the top of the disinfection tank is provided with a backwash water pump and a second water pump, and one side of the top of the disinfection tank, which is far away from the backwash water pump, is provided with a second disinfectant feeding port.

In an embodiment of the present invention, a first water pump is installed between the first disinfectant feeding port and the second disinfectant feeding port.

In one embodiment of the present invention, the first disinfectant feeding port is connected to the backwash water pump through a pipe.

In one embodiment of the present invention, the first disinfectant feeding port is connected to the membrane module through a pipeline.

Compared with the prior art, the utility model the advantage lie in: after the domestic sewage is treated by the treatment device of the utility model, the effluent quality is good and the stability is high; the membrane component of the utility model greatly improves the biodegradation capacity and the load impact resistance, can retain part of insoluble pollutants of macromolecules, prolongs the retention time of the pollutants in the reactor and increases the removal rate of the pollutants which are difficult to degrade; the efficient domestic sewage zero-discharge treatment device occupies less land, the membrane component replaces a secondary sedimentation tank, and higher sludge concentration is kept in the tank, so that the volume of the reactor is much smaller than that of the traditional process, and the land occupation area is more saved; the efficient domestic sewage zero-discharge treatment device is simple to operate and maintain, the membrane component process is simple, and effluent is not influenced by factors such as sludge expansion, air temperature and the like; the utility model discloses in, the microorganism of aquatic can all be held back to the membrane module, has realized the separation of water conservancy dwell time and sludge age, makes operation control more nimble, makes extension sludge age become possible, and this growth and the reproduction that are favorable to proliferating slow nitrobacteria, and denitrogenation efficiency obtains very big improvement. Meanwhile, the system has long sludge age, so the amount of the generated residual sludge is very small.

Drawings

In order to make the content of the present invention more clearly understood, the present invention will be described in further detail with reference to the following embodiments of the present invention, in conjunction with the accompanying drawings.

FIG. 1 is a schematic structural diagram of a high-efficiency domestic sewage zero-discharge treatment device.

As shown in the figure: 1. the device comprises a waste water pipe, 2, a regulating tank, 3, a first special microbial processor, 4, a second special microbial processor, 5, a third special microbial processor, 6, a fourth special microbial processor, 7, a disinfection tank, 8, a submersible mixer, 9, a first basket lifting grid, 10, a first lifting pump, 11, a second lifting pump, 12, a second basket lifting grid, 13, a membrane assembly, 14, a first water pump, 15, a backwashing water pump, 16, a second water pump, 17, a coagulant feeding port, 18, a disinfectant feeding port, 19, a disinfectant feeding port, 20 and a third lifting pump.

Detailed Description

As shown in fig. 1, the embodiment provides a high-efficiency domestic sewage zero-discharge treatment device, which includes a wastewater pipe 1, the wastewater pipe 1 is connected with a regulating tank 2, one side of the regulating tank 2 is provided with a first special microbial processor 3, a second special microbial processor 4, a third special microbial processor 5 and a fourth special microbial processor 6, and one side of the fourth special microbial processor 6 is provided with a disinfection tank 7.

As an improvement, a second basket grid 12 is arranged between the waste water pipe 1 and the regulating tank 2.

As a modification, a third lifting pump 20 is arranged between the regulating reservoir 2 and the first special microbial processor 3.

As an improvement, a submersible stirrer 8 is arranged at the top of the second special microbial processor 4.

As an improvement, a first lifting pump 10 and a second lifting pump 11 are arranged at the bottom between the third special microbial processor 5 and the fourth special microbial processor 6, and a first basket grid 9 is arranged at the top of the first lifting pump 10.

As an improvement, a membrane module 13 is arranged in the special microbial processor IV 6, a coagulant adding opening 17 is arranged on one side of the top of the special microbial processor IV 6, and a disinfectant adding opening 18 is arranged in the center of the top of the special microbial processor IV 6.

As an improvement, a backwashing water pump 15 and a second water pump 16 are installed at the top of the disinfection tank 7, and a second disinfectant feeding port 19 is installed at one side, far away from the backwashing water pump 15, of the top of the disinfection tank 7.

As an improvement, a first water pump 14 is arranged between the first disinfectant feeding port 18 and the second disinfectant feeding port 19.

As an improvement, the disinfectant feeding port I18 is connected with the backwashing water pump 15 through a pipeline.

As a modification, the disinfectant feeding port I18 is connected with the membrane assembly 13 through a pipeline.

The utility model discloses a theory of operation: the waste water enters a regulating tank after garbage and particulate matters in the waste water are intercepted by a waste water pipe through a basket grid; aeration facilities are arranged in the adjusting tank to homogenize water quality and water quantity; the wastewater in the regulating tank is lifted by a lift pump to enter a special microbial processor, and an elastic filler and a water distribution facility are arranged in the special microbial processor; wastewater in the special microbial processor automatically flows into the special microbial processor, and a submersible stirrer is arranged in the special microbial processor; wastewater in the special microbial processor automatically flows into the special microbial processor, an elastic filler and an aeration facility are arranged in the special microbial processor, and domestic sewage is purified under the combined action of activated sludge and a biological membrane; the wastewater of the special microbial processor automatically flows through a basket grid to remove large-particle impurities and then enters the special microbial membrane processor, an aeration facility and a dosing facility of alkali liquor and coagulant are arranged in the special microbial membrane processor, and a membrane module is arranged in the special microbial membrane processor to complete solid-liquid separation; sludge in the special microbial membrane processor is discharged through a lifting pump, and the sludge-water mixed liquid flows back to the special microbial membrane processor through the lifting pump; pumping the wastewater from the membrane module by a water pump, pumping the wastewater into a disinfection tank, and adding acid liquor, alkali liquor and disinfectant into an inlet pipeline of the water pump; disinfectant is added into the disinfection tank, and after mixing, wastewater in the tank can be pumped out of the disinfection tank through a reuse water pump for reuse, irrigation and the like; the membrane module is backwashed regularly by pumping waste water in the disinfection tank by a backwash water pump.

1: the efficient domestic sewage zero-discharge treatment device adopts buried equipment, and almost does not occupy space;

2: oxygen required by the special microbial processor 5 and the special microbial membrane processor 6 is provided by an air blower, so that efficient oxygenation can be achieved;

3: the water inlet pipe of the adjusting tank is provided with a basket grid to prevent garbage and particles in the water collecting well from entering a biochemical treatment system;

3: a basket grid is arranged at the water inlet end of the special microbial membrane processor 6, so that the membrane component is prevented from being blocked or damaged by sundries or particles;

4: the membrane component can effectively achieve the effect of mud-water separation in the treatment process, and overcomes the defects of unstable effluent quality, large sludge discharge amount and the like of the traditional activated sludge method;

5: the disinfection tank is provided with a disinfectant and a pH adjusting dosing device, so that the pH meets the requirement of the quality of the reuse water;

6: after the domestic sewage is treated by the efficient domestic sewage zero-discharge treatment device, the effluent quality reaches the water quality standards of urban miscellaneous water quality standard of urban sewage recycling, urban sewage recycling landscape environmental water quality standard, urban sewage recycling green land irrigation water quality standard, urban sewage recycling farmland irrigation water quality standard and the like.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious changes and modifications can be made without departing from the scope of the invention.

Claims

1. The utility model provides an efficient domestic sewage zero release processing apparatus, includes waste pipe (1), its characterized in that: the wastewater pipe (1) is connected with the adjusting tank (2), one side of the adjusting tank (2) is provided with a special microbial processor I (3), a special microbial processor II (4), a special microbial processor III (5) and a special microbial processor IV (6), and one side of the special microbial processor IV (6) is provided with a disinfection tank (7).

2. The efficient domestic sewage zero-discharge treatment device of claim 1, wherein: and a second basket grid (12) is arranged between the waste water pipe (1) and the regulating tank (2).

3. The efficient domestic sewage zero-discharge treatment device of claim 1, wherein: and a third lifting pump (20) is arranged between the regulating tank (2) and the first special microbial processor (3).

4. The efficient domestic sewage zero-discharge treatment device of claim 1, wherein: and a submersible stirrer (8) is arranged at the top of the special microbial processor II (4).

5. The efficient domestic sewage zero-discharge treatment device of claim 1, wherein: and a first lifting pump (10) and a second lifting pump (11) are arranged at the bottom between the third special microbial processor (5) and the fourth special microbial processor (6), and a first basket grid (9) is arranged at the top of the first lifting pump (10).

6. The efficient domestic sewage zero-discharge treatment device of claim 1, wherein: a membrane assembly (13) is arranged in the special microbial processor IV (6), a coagulant adding opening (17) is arranged on one side of the top of the special microbial processor IV (6), and a disinfectant adding opening I (18) is arranged in the center of the top of the special microbial processor IV (6).

7. The efficient domestic sewage zero-discharge treatment device of claim 1, wherein: and a backwashing water pump (15) and a second water pump (16) are installed at the top of the disinfection tank (7), and a second disinfectant putting opening (19) is installed at one side of the top of the disinfection tank (7) far away from the backwashing water pump (15).

8. The efficient domestic sewage zero-discharge treatment device of claim 1, wherein: a first water pump (14) is arranged between the disinfectant feeding port I (18) and the disinfectant feeding port II (19).

9. The efficient domestic sewage zero-discharge treatment device of claim 6, wherein: the disinfectant feeding port I (18) is connected with the backwashing water pump (15) through a pipeline.

10. The efficient domestic sewage zero-discharge treatment device of claim 6, wherein: the disinfectant feeding port I (18) is connected with the membrane component (13) through a pipeline.