CN216764621U

CN216764621U - Sewage treatment system

Info

Publication number: CN216764621U
Application number: CN202123121155.5U
Authority: CN
Inventors: 唐雨枫; 戴雪枫; 顾孔杰; 贾翠英; 高水昌
Original assignee: Zhejiang Shenghua Yunfeng Greeneo Co ltd
Current assignee: Zhejiang Shenghua Yunfeng Greeneo Co ltd
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-06-17
Anticipated expiration: 2031-12-13

Abstract

The utility model discloses a sewage treatment system, which relates to the technical field of environmental protection equipment, and mainly structurally comprises a reaction regulating tank, a plate-and-frame filter press, a domestic sewage regulating tank, an anaerobic aerobic tank, a secondary sedimentation tank, an air floatation tank, a collecting and discharging tank, a sludge concentration tank, a screw pump and a dehydrator which are sequentially communicated; most of impurities in the industrial wastewater are removed through the reaction regulating tank and the plate-and-frame filter press, so that the treated wastewater can be treated together with domestic sewage, and the industrial wastewater and the domestic wastewater can be treated simultaneously.

Description

Sewage treatment system

Technical Field

The utility model relates to the technical field of environment-friendly equipment, in particular to a sewage treatment system.

Background

The large amount of domestic sewage discharged not only aggravates the shortage of water resources, but also directly affects the living environment of people and brings water deterioration, which becomes a serious obstacle for economic development and improvement of the living quality of people, people face a severe examination of resource and water quality dual water shortage, in the current sewage treatment, the efficiency of sewage treatment equipment is gradually reduced due to daily deposition of sludge in sewage, and a large amount of clear water is needed for cleaning related equipment.

Along with the industrial progress and the increasingly improved life quality of people in recent years, the awareness of protecting the environment is stronger and stronger; the contradiction between the industrial wastewater pollution and the environmental protection is more and more prominent; therefore, the industrial water can be discharged only after being purified to reach the discharge index, thereby solving the contradiction between environmental protection and industrial wastewater pollution.

Most of the existing sewage treatment systems are single sewage treatment devices, only single treatment is carried out on domestic sewage or industrial sewage, and a system mode for integrated treatment of various sewage forms does not exist.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a sewage treatment system which is used for simultaneously treating industrial wastewater and domestic wastewater.

In order to achieve the purpose, the utility model provides the following scheme:

the utility model provides a sewage treatment system which comprises a reaction regulating tank, a plate-and-frame filter press, a domestic sewage regulating tank, an anaerobic and aerobic tank, a secondary sedimentation tank, an air flotation tank and a collecting and discharging tank which are sequentially communicated.

Optionally, the sludge treatment device further comprises a sludge concentration tank, a screw pump and a dehydrator which are sequentially communicated; the inlet end of the sludge concentration tank is communicated with the air floatation tank and an aerobic tank in the anaerobic aerobic tank; and the water outlet of the dehydrator is communicated with the domestic sewage adjusting tank.

Optionally, the secondary sedimentation tank is communicated with an inlet end of a first delivery pump, and an outlet end of the first delivery pump is respectively communicated with an aerobic tank in the anaerobic aerobic tank and the sludge concentration tank.

Optionally, a domestic sewage inflow port is arranged on the domestic sewage adjusting tank.

Optionally, a temperature sensor is arranged in the domestic sewage adjusting tank.

Optionally, a second delivery pump is arranged between the reaction regulating reservoir and the plate-and-frame filter press.

Optionally, the reaction regulating tank is provided with a dyeing wastewater inlet and a glue washing wastewater inlet.

Optionally, the collecting and discharging pool is provided with a water outlet.

Optionally, a third delivery pump is arranged between the aerobic tank in the anaerobic-aerobic tank and the anaerobic tank in the anaerobic-aerobic tank.

Compared with the prior art, the utility model has the following technical effects:

the sewage treatment system comprises a reaction regulating tank, a plate-and-frame filter press, a domestic sewage regulating tank, an anaerobic aerobic tank, a secondary sedimentation tank, an air flotation tank, a collection and discharge tank, a sludge concentration tank, a screw pump and a dehydrator which are sequentially communicated; most of impurities in the industrial wastewater are removed through the reaction regulating tank and the plate-and-frame filter press, so that the treated wastewater can be treated together with domestic sewage, and the industrial wastewater and the domestic wastewater can be treated simultaneously.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required in the embodiments will be briefly described below, 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 the drawings without creative efforts.

FIG. 1 is a schematic view showing the structure of a sewage treatment system according to the present invention.

Description of reference numerals: 1. a reaction regulating reservoir; 2. a plate-and-frame filter press; 3. a domestic sewage adjusting tank; 4. an anaerobic and aerobic tank; 5. a secondary sedimentation tank; 6. an air floatation tank; 7. a collecting and discharging pool; 8. a sludge concentration tank; 9. a screw pump; 10. and (4) a dehydrator.

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.

As shown in fig. 1, the present embodiment provides a sewage treatment system, which includes a reaction regulating tank 1, a plate-and-frame filter press 2, a domestic sewage regulating tank 3, an anaerobic-aerobic tank 4, a secondary sedimentation tank 5, an air flotation tank 6, and a collection and discharge tank 7, which are sequentially connected.

In this embodiment, the sewage treatment system further comprises a sludge concentration tank 8, a screw pump 9 and a dehydrator 10 which are sequentially communicated; the inlet end of the sludge concentration tank 8 is communicated with the air floatation tank 6 and an aerobic tank in the anaerobic and aerobic tank 4; the water outlet of the dehydrator 10 is communicated with the domestic sewage adjusting tank 3. The secondary sedimentation tank 5 is communicated with the inlet end of a first delivery pump, and the outlet end of the first delivery pump is respectively communicated with an aerobic tank in the anaerobic aerobic tank 4 and the sludge concentration tank 8. And a domestic sewage inflow port is arranged on the domestic sewage adjusting tank 3. And a temperature sensor is arranged in the domestic sewage adjusting tank 3. And a second delivery pump is arranged between the reaction regulating tank 1 and the plate-and-frame filter press 2. The reaction regulating tank 1 is provided with a dyeing wastewater inlet and a glue washing wastewater inlet. The collection and discharge tank 7 is provided with a water discharge port. And a third delivery pump is arranged between the aerobic tank in the anaerobic-aerobic tank 4 and the anaerobic tank in the anaerobic-aerobic tank 4. More specifically, a mud scraper is arranged on the secondary sedimentation tank 5 and is used for scraping sediment at the bottom of the secondary sedimentation tank 5, so that the sediment can flow to a sludge concentration tank 8 along with the sewage; the second conveying pump adopts a pneumatic diaphragm pump; the second delivery pump and the third delivery pump both adopt reflux pumps.

During operation, bleaching dyeing sewage and glue washing wastewater enter a reaction regulating tank 1, a reaction reagent is added, mixing and stirring are carried out for 20min, a mixture after reaction enters a plate-and-frame filter press 2 for filtering, domestic sewage is converged into the filtered sewage, the sewage uniformly enters an anaerobic tank in an anaerobic-aerobic tank 4 for continuous stirring, then the sewage is discharged into an aerobic tank in the anaerobic-aerobic tank 4, a flocculating agent is added for aeration, the sewage after aeration is discharged into a secondary sedimentation tank 5, standing and layering operation is carried out on sludge and water, part of sludge is recycled to the aerobic tank in the anaerobic-aerobic tank 4 for cyclic utilization, part of sludge enters a dehydrator 10 for treatment, the sewage in the secondary sedimentation tank 5 is discharged into an air flotation tank 6, air inflation operation is carried out at the bottom of the air flotation tank 6, suspended matters such as floating slag and the like rise to the surface of the sewage, and floating slag is removed by manual operation. And finally, discharging the sewage into a third-level discharge port for discharging.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not to be construed as limiting the claims.

The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the utility model.

Claims

1. The sewage treatment system is characterized by comprising a reaction regulating tank, a plate-and-frame filter press, a domestic sewage regulating tank, an anaerobic aerobic tank, a secondary sedimentation tank, an air flotation tank and a collection and discharge tank which are sequentially communicated.

2. The sewage treatment system of claim 1, further comprising a sludge concentration tank, a screw pump and a dehydrator which are sequentially communicated; the inlet end of the sludge concentration tank is communicated with the air floatation tank and an aerobic tank in the anaerobic aerobic tank; and the water outlet of the dehydrator is communicated with the domestic sewage adjusting tank.

3. The sewage treatment system of claim 2, wherein the secondary sedimentation tank is communicated with an inlet end of a first delivery pump, and an outlet end of the first delivery pump is respectively communicated with an aerobic tank of the anaerobic-aerobic tanks and the sludge concentration tank.

4. The sewage treatment system of claim 1, wherein the domestic sewage adjusting tank is provided with a domestic sewage inflow port.

5. The wastewater treatment system according to claim 1, wherein a temperature sensor is disposed in the domestic wastewater conditioning tank.

6. The wastewater treatment system of claim 1, wherein a second transfer pump is disposed between the reaction conditioning tank and the plate and frame filter press.

7. The wastewater treatment system according to claim 1, wherein the reaction regulating tank is provided with a dyeing wastewater inlet and a washing wastewater inlet.

8. The wastewater treatment system of claim 1, wherein the collection and discharge tank is provided with a water discharge outlet.

9. The wastewater treatment system according to claim 1, wherein a third transfer pump is provided between an aerobic tank of the anaerobic-aerobic tanks and an anaerobic tank of the anaerobic-aerobic tanks.