CN215327196U

CN215327196U - SBR improvement type integrated sewage equipment

Info

Publication number: CN215327196U
Application number: CN202121737609.9U
Authority: CN
Inventors: 王茂宙; 贾淑荣; 王四坤
Original assignee: Beijing Zhonghairong Environmental Protection Technology Co ltd
Current assignee: Beijing Zhonghairong Environmental Protection Technology Co ltd
Priority date: 2021-07-28
Filing date: 2021-07-28
Publication date: 2021-12-28
Anticipated expiration: 2031-07-28

Abstract

The application discloses SBR improvement type integration sewage equipment, including the box, and the box is inside to have seted up equalizing basin, SBR reaction tank, equipment room and disinfection pond by a left side in proper order to the right side, the internally mounted of box has overflow weir plate and membrane module, and the inside of equipment room is provided with automatically controlled cabinet, is provided with membrane water pump, membrane play water motorised valve and aeration fan on connecting the pipeline between membrane module and automatically controlled cabinet to set up the scavenge pipe between the equipment room, and the external connection of scavenge pipe has membrane washing motorised valve and membrane scavenging pump, the one end and the membrane module intercommunication of scavenge pipe, the other end and disinfection pond intercommunication. According to the SBR improved integrated sewage equipment, the MBR membrane component is used for replacing the decanter, so that the concentration of the activated sludge is increased by multiple times, high-precision filtration is realized, the quality of the effluent water can be ensured to be stable and reach the standard, the most time-consuming precipitation and decanting stage in the SBR process can be omitted, the whole reaction period is shortened, the treatment efficiency is improved, and the investment is saved.

Description

SBR improvement type integrated sewage equipment

Technical Field

The utility model relates to the technical field of sewage treatment, in particular to SBR improved integrated sewage equipment.

Background

China is vast, pollution problems caused by domestic (production) sewage exist in a plurality of areas without public sewage pipe networks, the domestic sewage generated in many cases cannot be directly discharged into municipal sewage pipelines along with the requirements of production and life, the domestic sewage is required to be treated on site and then discharged after reaching the standard, the investment of building facility type sewage treatment plants is large, the period is long, and therefore integrated sewage treatment equipment is suitable for transportation;

the existing SBR process discharges water through a decanter, and in actual operation, the problem that scum-containing sludge flocs influence the quality of discharged water inevitably occurs in the discharged water, so that the user requirements cannot be well met in some specific places.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide SBR improved integrated sewage equipment, which can effectively solve the problems in the background art.

In order to achieve the purpose, the utility model adopts the technical scheme that:

an SBR improved integrated sewage device comprises a box body, wherein a regulating tank, an SBR reaction tank, a device room and a disinfection tank are sequentially arranged in the box body from left to right, an overflow weir plate for mixing water and reflux and a membrane assembly for filtering sundries are sequentially arranged in the box body from left to right, an electric control cabinet is arranged in the device room, wherein,

a membrane water outlet pump, a membrane water outlet electric valve and an aeration fan are sequentially arranged on a pipeline connected between the membrane component and the electric control cabinet from left to right, a cleaning pipe is arranged inside the equipment room, the outside of the cleaning pipe is connected with a membrane cleaning electric valve and a membrane cleaning pump, one end of the cleaning pipe is communicated with the membrane component, and the other end of the cleaning pipe is communicated with the disinfection tank.

Preferably, a plurality of groups of manholes are formed in the top of the box body, a water inlet is formed in one side of the box body, and the water inlet is communicated with the regulating tank.

Preferably, the overflow weir plate is positioned between the regulating reservoir and the SBR reaction reservoir.

Preferably, one side of the box body is provided with a water outlet which is communicated with the disinfection tank through a pipeline, and an ultraviolet sterilizer and a water outlet pump of the disinfection tank are arranged on the pipeline which is communicated with the water outlet.

Preferably, the inner bottom surface of the adjusting tank is provided with an adjusting tank lift pump for lifting the homogeneous water to the SBR reaction tank, and the adjusting tank lift pump is communicated with the overflow weir plate through a pipeline.

Preferably, aeration discs are installed at the bottoms of the adjusting tank and the SBR reaction tank, and an aeration fan for conveying wind power to the aeration discs is arranged in the equipment room.

Preferably, the bottom of SBR reaction tank is provided with a reflux pump for refluxing high-concentration nitrifying liquid and sludge to the regulating tank, and the reflux pump is communicated with the overflow weir plate through a pipeline.

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

firstly, the membrane technology is used for replacing a decanter in SBR, so that the quality stability of the discharged water is improved, and the most complicated precipitation and decanting stages in SBR are abandoned. The process period is greatly shortened;

secondly, by adding sludge into SBR and adopting a nitrification reflux process, water is refluxed to the front end of the inlet water and is fully mixed with the inlet water, so that the water can enter the SBR reaction tank to achieve the effect of quickly starting a reaction stage;

and thirdly, a water inlet weir plate is added at the water inlet of the pool, and the water flow plug flow mode is improved to better accord with the AO process at the front section of the technology and meet the process requirement at the rear section, so that the investment is saved.

Drawings

FIG. 1 is an overall structure diagram of an improved SBR integrated sewage treatment plant of the present invention.

In the figure: 1. a water inlet; 2. a manhole; 3. an overflow weir plate; 4. a membrane module; 5. a membrane cleaning electric valve; 6. an electric control cabinet; 7. a water outlet; 8. an ultraviolet sterilizer; 9. a water outlet pump of the disinfection tank; 10. a membrane cleaning pump; 11. an aeration fan; 12. a membrane water outlet electric valve; 13. a membrane water outlet pump; 14. a reflux pump; 15. a conditioning tank lift pump; 16. an aeration disc.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to fig. 1, the SBR improved integrated sewage equipment comprises a box body, wherein an adjusting tank, a SBR reaction tank, an equipment room and a disinfection tank are sequentially arranged in the box body from left to right, an overflow weir plate 3 for mixing water and reflux and a membrane assembly 4 for filtering sundries are sequentially arranged in the box body from left to right, an electric control cabinet 6 is arranged in the equipment room,

a membrane water outlet pump 13, a membrane water outlet electric valve 12 and an aeration fan 11 are sequentially arranged on a pipeline connected between the membrane component 4 and the electric control cabinet 6 from left to right, a cleaning pipe is arranged inside the equipment room, the outside of the cleaning pipe is connected with a membrane cleaning electric valve 5 and a membrane cleaning pump 10, one end of the cleaning pipe is communicated with the membrane component 4, and the other end of the cleaning pipe is communicated with the disinfection tank.

Referring to fig. 1, a plurality of groups of manholes 2 are formed in the top of the box body, a water inlet 1 is formed in one side of the box body, and the water inlet 1 is communicated with the regulating tank.

Referring to fig. 1, an overflow weir plate 3 is located between the equalizing basin and the SBR reaction basin.

Referring to fig. 1, a water outlet 7 is arranged at one side of the box body, the water outlet 7 is communicated with the disinfection tank through a pipeline, and an ultraviolet sterilizer 8 and a disinfection tank water outlet pump 9 are arranged on the pipeline communicated with the water outlet 7.

Referring to fig. 1, a conditioning tank lift pump 15 for lifting the homogeneous water to the SBR reaction tank is installed on the inner bottom surface of the conditioning tank, and the conditioning tank lift pump 15 is communicated with the overflow weir plate 3 through a pipe.

Referring to fig. 1, aeration trays 16 are installed at the bottom of the adjusting tank and the SBR reaction tank, and an aeration fan 11 for supplying wind to the aeration trays 16 is installed inside the plant room.

Referring to fig. 1, a reflux pump 14 for refluxing high-concentration nitrified liquid and sludge to the adjusting tank is provided at the bottom of the SBR reaction tank, and the reflux pump 14 is communicated with the overflow weir plate 3 through a pipe.

Water inlet 1: and (6) a sewage inlet.

A manhole 2: the channel is used for equipment maintenance.

And (3) overflow weir plate: the device is arranged at a water inlet 1 of the SBR reaction tank, water from the adjusting tank lifting pump 15 and the nitrification reflux pump 14 is mixed in the overflow weir and then enters the SBR reaction tank through overflow, and the device has the function of mixing the inlet water with reflux liquid so as to facilitate the occurrence of subsequent reaction; and secondly, the overflow weir plate 3 can play the role of a water distributor, so that water flows out in a waterfall shape to form uniform laminar flow.

And (4) membrane module: the core of the device is that all impurities such as sludge and scum can be directly filtered out when water is discharged through the arrangement of the membrane component 4, so that the discharged water quality is stable, and the precipitation step which consumes the longest time in the traditional process is omitted.

Membrane cleaning electric valve 5: and the terminals participating in the membrane cleaning control logic are opened when the membrane is cleaned and closed when the membrane is not cleaned.

An electric control cabinet 6: and a system control terminal.

A water outlet 7: the water outlet 7 is externally connected with a municipal sewage pipe network or a reclaimed water recycling pipe network.

The ultraviolet sterilizer 8: the effluent is disinfected by an ultraviolet disinfector 8.

The water outlet pump 9 of the disinfection tank: and discharging the water in the disinfection tank to an external pipe network.

Membrane cleaning pump 10: the membrane module 4 is provided with a cleaning device, and after the membrane module 4 operates for a period of time, the membrane outlet valve needs to be closed, the membrane cleaning pump 10 is started, and the membrane cleaning pump 10 is used for back flushing cleaning.

The aeration fan 11: the aeration disc 16 is a wind power source.

Membrane water outlet electric valve 12: and the terminal participating in the membrane cleaning control logic is closed when the membrane is cleaned and is normally opened when the membrane is not cleaned.

A membrane water outlet pump 13: and water is discharged from the SBR reaction tank to the disinfection tank after passing through the membrane by the pumping action of the membrane water outlet pump 13.

Sludge and nitrifying liquid reflux pump 14: and a device for refluxing the high-concentration nitrifying liquid and sludge stocked at the rear section of the SBR reaction tank to the water inlet stage.

Adjusting the tank lift pump 15: and (4) lifting the homogeneous water in the regulating reservoir into the SBR reaction tank.

An aeration disc 16: the aeration disc 16 in the adjusting tank plays a role in stirring, so that the water quality of the adjusting tank is uniform; aeration in the SBR reaction tank generates an oxygenation effect for biochemical reaction.

When in use, sewage is conveyed into the regulating reservoir through the water inlet 1, then the sewage entering the regulating reservoir is stirred by the aeration disc 16, so that the water quality in the sewage is regulated to be uniform, then the regulating reservoir lifting pump 10 conveys the homogeneous water into the overflow weir plate 3, the overflow weir plate 3 mixes the water from the regulating reservoir lifting pump 15 and the nitrification reflux pump 14 in the overflow weir and then enters the SBR reaction tank through overflow, the mixed water enters the SBR reaction tank, the membrane component 4 in the SBR reaction tank filters impurities such as sludge and scum in the sewage, the aeration disc 16 at the bottom of the SBR reaction tank carries out biochemical reaction on the sewage and plays a role of oxygenation, when the membrane is cleaned, the membrane outlet electric valve 12 controls the cleaning pipe to be opened and closed, when the membrane is opened, the membrane cleaning pump 15 on the cleaning pipe drives the water to flush the membrane component 4, thereby membrane module 4 clears up, and the membrane that connects simultaneously on the pipeline between membrane module 4 and disinfection pond goes out water motorised valve 12 and closes when the membrane washs, and normally opens when non-washs, and the sewage after the filtration passes through the pipeline and transports to the disinfection pond in, discharges water to the disinfection pond after the membrane from the SBR pond through membrane on the pipeline to membrane water pump 13, disinfects by ultraviolet disinfector 8 in the disinfection pond, discharges by delivery port 7 after the disinfection again.

The SMBR technology based on the SBR technology is improved on the basis of the original technological process, the whole process is changed into three steps of water inlet, reaction, sedimentation, water decanting and standby five steps, namely the water inlet, the reaction and the water outlet, the membrane component 4 is added to abandon the water decanting device, the membrane outlet water is used for replacing the water outlet of the water decanting device, the plug flow mode of the original technology from bottom to top is changed into transverse plug flow, the possibility of discharging along with the outlet water is reduced by sludge and floating slag in the water due to the existence of the membrane, the stability of the water quality of the outlet water is higher than that of the water decanting device, the concentration of the activated sludge is improved by a plurality of times, the high-precision filtration is realized, the stable and standard quality of the outlet water can be ensured, the most time-consuming sedimentation and water decanting stages in the SBR technology can be omitted, the whole reaction period is shortened, the treatment efficiency is improved, and the investment is saved.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a SBR improvement type integration sewage equipment, includes the box, and the box is inside to have seted up equalizing basin, SBR reaction tank, equipment room and disinfection pond, its characterized in that by a left side to the right side in proper order: an overflow weir plate (3) for mixing water and reflux and a membrane component (4) for filtering sundries are sequentially arranged inside the box body from left to right, an electric control cabinet (6) is arranged inside the equipment room,

a membrane water outlet pump (13), a membrane water outlet electric valve (12) and an aeration fan (11) are sequentially arranged on a pipeline connected between the membrane component (4) and the electric control cabinet (6) from left to right, a cleaning pipe is arranged inside the equipment room, the outside of the cleaning pipe is connected with a membrane cleaning electric valve (5) and a membrane cleaning pump (10), one end of the cleaning pipe is communicated with the membrane component (4), and the other end of the cleaning pipe is communicated with the disinfection tank.

2. The SBR improved integrated sewage treatment device of claim 1, wherein: a plurality of groups of manholes (2) are formed in the top of the box body, a water inlet (1) is formed in one side of the box body, and the water inlet (1) is communicated with the regulating tank.

3. The SBR improved integrated sewage treatment device of claim 1, wherein: the overflow weir plate (3) is positioned between the regulating reservoir and the SBR reaction pool.

4. The SBR improved integrated sewage treatment device of claim 1, wherein: one side of the box body is provided with a water outlet (7), the water outlet (7) is communicated with the disinfection tank through a pipeline, and an ultraviolet sterilizer (8) and a disinfection tank water outlet pump (9) are arranged on the pipeline communicated with the water outlet (7).

5. The SBR improved integrated sewage treatment device of claim 1, wherein: the interior bottom surface of equalizing basin installs equalizing basin elevator pump (15) that are used for promoting the homogeneous water to SBR reaction tank, and equalizing basin elevator pump (15) are through pipeline and overflow weir plate (3) intercommunication.

6. The SBR improved integrated sewage treatment device of claim 1, wherein: aeration discs (16) are arranged at the bottoms of the regulating tank and the SBR reaction tank, and an aeration fan (11) for conveying wind power to the aeration discs (16) is arranged in the equipment room.

7. The SBR improved integrated sewage treatment device of claim 1, wherein: the bottom of SBR reaction tank is provided with a reflux pump (14) that is used for high concentration nitrifying liquid and mud to flow back to the equalizing basin, and reflux pump (14) are through pipeline and overflow weir plate (3) intercommunication.