CN211311229U

CN211311229U - Integrated sewage treatment equipment

Info

Publication number: CN211311229U
Application number: CN201921874239.6U
Authority: CN
Inventors: 俞基银
Original assignee: Guangdong Gpower Environmental Engineering Co ltd
Current assignee: Guangdong Gpower Environmental Engineering Co ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-08-21
Anticipated expiration: 2029-10-31

Abstract

The utility model discloses an integrated sewage treatment device in the technical field of sewage treatment equipment, which comprises an anaerobic tank, an anoxic tank, an aerobic tank, an MBR membrane tank, a clean water tank and a device room, wherein spherical fillers are all placed in the anaerobic tank, the anoxic tank, the aerobic tank and the MBR membrane tank, and the bottoms of the aerobic tank and the MBR membrane tank are provided with aeration discs, the anaerobic tank is provided with a lift pump, and the device room is provided with a fan, a suction pump and a back suction pump; the water inlet and outlet modes are staggered up and down, so that sewage can flow in each pool for a sufficient time; the spherical filler is used as a carrier of the microorganism, and has high porosity, good chemical and biological stability, durability and quick microorganism biofilm formation.

Description

Integrated sewage treatment equipment

Technical Field

The utility model relates to a sewage treatment device technical field specifically is an integration sewage treatment device.

Background

Sewage is a generic term for water discharged in production and living activities, and mainly comprises industrial wastewater, domestic sewage, commercial sewage, surface runoff and the like; the sewage treatment is a process for purifying sewage to meet the water quality requirement of discharging the sewage into a certain water body or reusing the sewage, is widely applied to various fields of buildings, agriculture, traffic, energy, petrifaction, environmental protection, urban landscape, medical treatment, catering and the like, and is increasingly used in daily life of common people.

With the increase of population and the development of economy, a large amount of domestic sewage and point source industrial sewage are directly discharged without being treated, so that the water resource condition is rapidly worsened; at present, the construction experience of large and medium-scale sewage treatment projects is generally carried out in the market, so that the investment and the operating cost of the small-scale sewage treatment projects are difficult to bear; therefore, the existing sewage treatment equipment has large scale, complex structure and high operation cost.

Based on this, the utility model designs an integration sewage treatment device to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an integration sewage treatment device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an integrated sewage treatment device comprises an anaerobic tank, an anoxic tank, an aerobic tank, an MBR membrane tank and a clean water tank which are sequentially arranged, wherein filler supports are respectively fixed on the upper part and the lower part of an inner cavity of the anaerobic tank, spherical fillers are placed between the two filler supports, a lifting pump is fixed on the top of the anaerobic tank, a water inlet pipe and a water outlet pipe are arranged on the lifting pump, and the bottom end of the water outlet pipe extends into the anaerobic tank and extends to the bottom of the anaerobic tank; a channel is arranged between the anaerobic tank and the anoxic tank, the top end of the channel is communicated with the upper part of the anaerobic tank, and the bottom end of the channel is communicated with the lower part of the anoxic tank; the same spherical filler is also placed in the anoxic tank, and the upper part of the anoxic tank is communicated with the aerobic tank; the aerobic tank and the MBR membrane tank are communicated with each other to form a composite tank, spherical fillers are placed in the composite tank, an aeration disc is arranged at the bottom of the composite tank, and an MBR membrane is also arranged in the MBR membrane tank; the bottom of the clean water tank is provided with an equipment room, and a fan, a suction pump and a back suction pump are arranged in the equipment room.

Preferably, two fans, two suction pumps and a counter suction pump are arranged in the equipment room.

Preferably, the suction pump is provided with a water inlet pipe and a water outlet pipe, one end of the water inlet pipe extends into the MBR membrane tank, and one end of the water outlet pipe extends into the clean water tank.

Preferably, the reverse suction pump is provided with a water inlet pipe and a water outlet pipe, one end of the water inlet pipe extends into the clean water tank, and one end of the water outlet pipe extends into the MBR membrane tank.

Preferably, a glass fiber reinforced plastic grating plate is arranged between the clean water tank and the MBR membrane tank, and the partition and the communication between the two tanks are realized through the glass fiber reinforced plastic grating plate.

Preferably, a return pipe is connected between the aerobic tank and the anoxic tank, and a return pump is arranged on the return pipe.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model adopts the A2O + MBR membrane process, can treat all domestic wastewater, can be used as a treatment unit of a large-scale sewage treatment plant and a small-scale sewage treatment system, can be directly placed on the ground, is convenient for integration, and greatly reduces the civil engineering cost; the equipment structure is simple, and the operation cost is low; the water inlet and outlet modes are staggered up and down, so that sewage can flow in each pool for a sufficient time; the spherical filler is used as a carrier of the microorganism, only the spherical filler needs to be placed in the pool without installation, the time and the cost of manual installation can be saved, in addition, the specific surface area of the spherical filler is large, the porosity is high, the chemical and biological stability is good, the spherical filler is durable, in the using process, the biological adhesive force is strong, the microorganism film hanging is fast, the biological film is easy to fall off, is not influenced by water flow, and is resistant to biological degradation.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a perspective view of the present invention;

fig. 2 is a plan view of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-regulating tank, 2-anoxic tank, 3-aerobic tank, 4-MBR membrane tank, 5-clean water tank, 6-glass fiber reinforced plastic grid plate, 7-filler bracket, and 8-equipment room.

Detailed Description

The technical solution in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Referring to the drawings, the utility model provides a technical scheme: an integrated sewage treatment device comprises an anaerobic tank 1, an anoxic tank 2, an aerobic tank 3, an MBR membrane tank 4 and a clean water tank 5 which are sequentially arranged, wherein filler supports 7 are respectively fixed on the upper part and the lower part of an inner cavity of the anaerobic tank 1, spherical filler is placed between the two filler supports 7, a lifting pump is fixed on the top of the anaerobic tank 1, a water inlet pipe and a water outlet pipe are arranged on the lifting pump, and the bottom end of the water outlet pipe extends into the anaerobic tank 1 and extends to the bottom of the anaerobic tank 1; a channel is arranged between the anaerobic tank 1 and the anoxic tank 2, the top end of the channel is communicated with the upper part of the anaerobic tank 1, and the bottom end of the channel is communicated with the lower part of the anoxic tank 2; the same spherical filler is also placed in the anoxic tank 2, and the upper part of the anoxic tank 2 is communicated with the aerobic tank 3; the aerobic tank 3 and the MBR membrane tank 4 are communicated with each other to form a composite tank, spherical fillers are placed in the composite tank, an aeration disc is arranged at the bottom of the composite tank, and an MBR membrane is also arranged in the MBR membrane tank 4; the bottom of the clean water tank 5 is provided with an equipment room 8, and a fan, a suction pump and a back suction pump are arranged in the equipment room 8.

Two fans, two suction pumps and a counter suction pump are arranged in the equipment room 8.

Be equipped with inlet tube and outlet pipe on the suction pump, the one end of inlet tube stretches into in MBR membrane cisterna 4, and the one end of outlet pipe stretches into in clean water basin 5.

The back suction pump is provided with a water inlet pipe and a water outlet pipe, one end of the water inlet pipe extends into the clean water tank 5, and one end of the water outlet pipe extends into the MBR membrane tank 4.

A glass fiber reinforced plastic grating plate 6 is arranged between the clean water tank 5 and the MBR membrane tank 4, and the two tanks are partitioned and communicated through the glass fiber reinforced plastic grating plate 6.

A return pipe is connected between the aerobic tank 3 and the anoxic tank 2, and a return pump is arranged on the return pipe.

The working principle of the embodiment is as follows: the anaerobic tank 1 adopts a water inlet and outlet mode of 'bottom inlet and top outlet', spherical fillers are placed in the anaerobic tank 1, sewage enters the bottom of the anaerobic tank 1 under the action of a lifting pump, complex organic matters in the sewage are degraded in the anaerobic tank 1 through four stages of hydrolysis, acidification, acetic acid production and methane production, the biodegradability of the sewage is improved, and then the sewage is discharged from the upper part of the anaerobic tank 1 through a channel and flows into the bottom of the anoxic tank 2;

the water inlet and outlet mode of the anoxic tank 2 is the same as that of the anaerobic tank 1, spherical fillers are also placed in the anoxic tank 2, after the sewage reaches the anoxic tank 2, the denitrifying bacteria in the tank take undecomposed carbon-containing organic matters in the sewage as carbon sources, nitrate radicals in the nitrifying liquid flowing back from the aerobic tank are reduced into nitrogen to be released, the effect of removing ammonia nitrogen is achieved, and then the sewage flows into the aerobic tank 3 from the upper part of the anoxic tank 2;

the aerobic tank 3 and the MBR membrane tank 4 are combined into a composite tank, a large amount of spherical fillers are placed in the composite tank to provide good membrane hanging conditions for microorganisms, an aeration disc is arranged at the bottom for 24 hours to perform continuous aeration to provide oxygen content required by decomposition for the microorganisms, organic matters in the sewage are decomposed into inorganic matters, the aerobic tank 3 is used for enabling active sludge to perform aerobic respiration to further decompose the organic matters into the inorganic matters and remove most of COD and BOD in the sewage by combining anaerobism and anoxia, then the sewage passes through the MBR membrane to block suspended matters in the sewage, and effluent flows into a clean water tank 5 through a suction pump to be stored;

the effluent stored in the clean water tank 5 can be used as backwashing water, the MBR membrane is periodically backwashed through a backwash pump, the service life of the MBR membrane is prolonged, the MBR membrane is prevented from being blocked, and the effluent can directly reach the standard and be discharged;

one is used and is equipped with two fans in 8 inside places in the equipment room, one is used and is equipped with two suction pumps, a backwash pump through the space of rational layout equipment room 8 to reach the maximum utilization in space.

The equipment adopts an A2O + MBR membrane process (A2O is anaerobic-anoxic-aerobic), can treat all domestic wastewater, can be used as a treatment unit of a large-scale sewage treatment plant and a small-scale sewage treatment system, and has the COD removal rate of over 85 percent and the ammonia nitrogen removal rate of over 80 percent by optimizing design parameters; after the equipment is researched, developed and modified, the operation is more convenient and simpler, and the full-automatic control is realized; the equipment can be directly placed on the ground, so that the integration is convenient, and the civil engineering cost is greatly reduced; the equipment structure is simple, and the operation cost is low; the water inlet and outlet modes are staggered up and down, so that sewage can flow in each pool in sufficient time.

The equipment adopts the spherical filler as a carrier of the microorganism, only the spherical filler needs to be placed in the pool without installation, the time and the cost of manual installation can be saved, in addition, the specific surface area of the spherical filler is large, the porosity is high, the chemical and biological stability is good, the durability is high, in the using process, the biological adhesive force is strong, the microorganism film hanging is fast, the biological film is easy to drop, is not influenced by water flow, and is resistant to biological degradation.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended to be illustrative only. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides an integration sewage treatment device, includes anaerobism pond (1), oxygen deficiency pond (2), good oxygen pond (3), MBR membrane cisterna (4) and clean water basin (5) that set gradually, its characterized in that: the upper part and the lower part of the inner cavity of the anaerobic tank (1) are respectively fixed with a filler support (7), spherical fillers are placed between the two filler supports (7), the top of the anaerobic tank (1) is fixed with a lift pump, the lift pump is provided with a water inlet pipe and a water outlet pipe, and the bottom end of the water outlet pipe extends into the anaerobic tank (1) and extends to the bottom of the anaerobic tank (1); a channel is arranged between the anaerobic tank (1) and the anoxic tank (2), the top end of the channel is communicated with the upper part of the anaerobic tank (1), and the bottom end of the channel is communicated with the lower part of the anoxic tank (2); the same spherical filler is also placed in the anoxic tank (2), and the upper part of the anoxic tank (2) is communicated with the aerobic tank (3); the aerobic tank (3) and the MBR membrane tank (4) are communicated with each other to form a composite tank, spherical fillers are placed in the composite tank, an aeration disc is arranged at the bottom of the composite tank, and an MBR membrane is further arranged in the MBR membrane tank (4); the bottom of the clean water tank (5) is provided with an equipment room (8), and a fan, a suction pump and a back suction pump are arranged in the equipment room (8).

2. The integrated sewage treatment apparatus of claim 1, wherein: two fans, two suction pumps and a counter suction pump are arranged in the equipment room (8).

3. The integrated sewage treatment apparatus of claim 1, wherein: be equipped with inlet tube and outlet pipe on the suction pump, the one end of inlet tube stretches into in MBR membrane cisterna (4), and the one end of outlet pipe stretches into in clean water basin (5).

4. The integrated sewage treatment apparatus of claim 1, wherein: and the reverse suction pump is provided with a water inlet pipe and a water outlet pipe, one end of the water inlet pipe extends into the clean water tank (5), and one end of the water outlet pipe extends into the MBR membrane tank (4).

5. The integrated sewage treatment apparatus of claim 1, wherein: and a glass fiber reinforced plastic grating plate (6) is arranged between the clean water tank (5) and the MBR membrane tank (4).

6. The integrated sewage treatment apparatus of claim 1, wherein: a return pipe is connected between the aerobic tank (3) and the anoxic tank (2), and a return pump is arranged on the return pipe.