CN220537597U - MBR sewage treatment system - Google Patents
MBR sewage treatment system Download PDFInfo
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- CN220537597U CN220537597U CN202321069173.XU CN202321069173U CN220537597U CN 220537597 U CN220537597 U CN 220537597U CN 202321069173 U CN202321069173 U CN 202321069173U CN 220537597 U CN220537597 U CN 220537597U
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- electric valve
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- 239000010865 sewage Substances 0.000 title claims abstract description 50
- 239000007788 liquid Substances 0.000 claims abstract description 88
- 238000011001 backwashing Methods 0.000 claims abstract description 51
- 238000001914 filtration Methods 0.000 claims abstract description 42
- 230000001105 regulatory effect Effects 0.000 claims abstract description 20
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 17
- 238000006243 chemical reaction Methods 0.000 claims abstract description 11
- 230000001276 controlling effect Effects 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 87
- 239000012528 membrane Substances 0.000 claims description 76
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 36
- 238000012544 monitoring process Methods 0.000 claims description 18
- 238000004891 communication Methods 0.000 claims description 14
- BZSXEZOLBIJVQK-UHFFFAOYSA-N 2-methylsulfonylbenzoic acid Chemical compound CS(=O)(=O)C1=CC=CC=C1C(O)=O BZSXEZOLBIJVQK-UHFFFAOYSA-N 0.000 claims description 12
- 238000005273 aeration Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 6
- 238000004065 wastewater treatment Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 206010033799 Paralysis Diseases 0.000 abstract description 4
- 239000013049 sediment Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 239000010802 sludge Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005094 computer simulation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000008233 hard water Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses an MBR sewage treatment system, which comprises: a backwashing section for backwashing the liquid; an adding part which is communicated with the backwashing part and is used for adding a reaction reagent to the liquid filtered by the backwashing part; the regulating and controlling part is communicated with the adding part and is used for shunting the liquid after the reaction reagent is added; the first filtering part is communicated with the regulating part and is used for filtering the liquid; the second filtering part is communicated with the regulating part and is used for filtering the liquid, and the first filtering part is connected with the second filtering part in parallel; and the control terminal is connected with the backwashing part, the adding part, the regulating part, the first filtering part and the second filtering part. The utility model can prevent the system from being paralyzed and the flow from being difficult to adjust caused by the sediment entering the electric valve along with the sewage.
Description
Technical Field
The utility model relates to the field of sewage treatment, in particular to an MBR sewage treatment system.
Background
In the fields of sewage treatment and water resource recycling, an MBR process, namely a membrane bioreactor (Membrane Bio-Reactor), is a novel water treatment technology combining an activated sludge process with a membrane separation technology.
Compared with a plurality of traditional biological water treatment processes, the MBR process has the advantages of high and stable effluent quality, less residual sludge yield, small occupied area, no limit of setting occasions, convenient operation and management, easy realization of automatic control and wider application range, and can remove ammonia nitrogen and refractory organic matters.
The existing MBR treatment equipment has the following disadvantages:
1. the sewage treatment process is complex, and the sewage treatment cost is high.
2. The control system is difficult to remotely monitor and remotely adjust, and when the system is in operation, the system is difficult to timely process.
The present utility model has been made in view of this.
Disclosure of Invention
The utility model aims to solve the technical problems of overcoming the defects of the prior art, and provides an MBR sewage treatment system which can prevent the condition that sediment enters an electric valve along with sewage to cause system paralysis and difficult flow adjustment, and can communicate by respectively connecting a backwashing part, an adding part, a regulating part, a first filtering part and a second filtering part with a control terminal, thereby achieving the purposes of remote monitoring and remote adjustment and timely processing system faults.
In order to solve the technical problems, the utility model adopts the basic conception of the technical scheme that:
an MBR sewage treatment system, comprising:
a backwashing part for backwashing the liquid to filter the liquid;
an adding part which is communicated with the backwashing part and is used for adding a reaction reagent to the liquid filtered by the backwashing part;
the regulating and controlling part is communicated with the adding part and is used for shunting the liquid after the reaction reagent is added;
the first filtering part is communicated with the regulating part and is used for filtering liquid;
the second filtering part is communicated with the regulating part and is used for filtering liquid, and the first filtering part is connected with the second filtering part in parallel;
and the control terminal is connected with the backwashing part, the adding part, the regulating part, the first filtering part and the second filtering part.
In a preferred embodiment of any of the above aspects, the backwash portion includes:
a water producing main pipe;
the backwashing water tank is communicated with the water production main pipe through a conduit, wherein a first electric valve is arranged on the conduit;
the first drain pipe is arranged at the bottom of the backwashing water tank and is communicated with the backwashing water tank;
and one end of the first liquid level sensor is inserted into the backwashing water tank and is used for monitoring the height of liquid in the backwashing water tank in real time, wherein the first electric valve and the first liquid level sensor are respectively connected with the control terminal through a wireless network.
In a preferred embodiment of any of the foregoing aspects, the adding portion includes:
the backwashing piece is communicated with the backwashing water tank and is used for sucking liquid in the backwashing water tank and discharging the sucked liquid to a second drain pipe;
the reagent input piece is communicated with the second drain pipe through a feeding pipe and is used for adding a reaction reagent into the second drain pipe through the feeding pipe;
the first flow sensor is arranged on the second drain pipe and is positioned on the second drain pipe between the backwashing piece and the feeding pipe.
In a preferred embodiment of any of the foregoing, the backwash member comprises:
a first backwash pump in communication with the backwash pool;
the second backwash pump is communicated with the backwash pool and is connected in parallel with the first backwash pump; the reagent input member includes:
the citric acid system is communicated with the second drain pipe through a feeding pipe and is used for adding citric acid into the second drain pipe through the feeding pipe;
and the sodium chlorate system is communicated with the second drain pipe through a feeding pipe and is used for adding sodium chlorate into the second drain pipe through the feeding pipe, and the citric acid system is connected with the sodium chlorate system in parallel.
In a preferred embodiment of any of the foregoing aspects, the control portion includes:
the first water producing pump is communicated with one end of the second water drain pipe, and a fourth electric valve and a fifth electric valve are arranged on the second water drain pipe close to the first water producing pump;
the second water producing pump is communicated with one end of the second water draining pipe, and a sixth electric valve and a seventh electric valve are arranged on the second water draining pipe close to the second water producing pump;
the water producing main pipe is respectively communicated with the first water producing pump and the second water producing pump through the guide pipes, wherein a second flow sensor and a third flow sensor are respectively arranged on the guide pipes which are respectively close to the first water producing pump and the second water producing pump, and the second flow sensor and the third flow sensor are respectively used for monitoring the flow of liquid in the two guide pipes and sending the detected flow information of the liquid to the control terminal.
In a preferred embodiment of any of the foregoing aspects, the first water producing pump is connected in parallel with the second water producing pump.
In a preferred embodiment of any of the foregoing aspects, the first filtering portion includes:
one end of the third drain pipe is communicated with the second drain pipe, and the joint is positioned between the fourth electric valve and the fifth electric valve;
the first membrane pool is used for storing liquid discharged by the third drain pipe, and the third drain pipe stretches into the first membrane pool through the first branch pipe;
the first MBR membrane group is arranged in the first membrane pool, and the third drain pipe is connected with the first MBR membrane group so as to purify liquid in the third drain pipe;
the second liquid level sensor is erected on the first membrane pool and used for monitoring the height of liquid in the first membrane pool, and the second liquid level sensor is connected with the control terminal through a wireless network;
the first pressure sensor is arranged on the third drain pipe and is close to the fourth electric valve and the fifth electric valve.
In a preferred embodiment of any of the foregoing aspects, the first MBR membrane group is provided in plurality.
In a preferred embodiment of any of the foregoing aspects, the second filtering portion includes:
one end of the fourth drain pipe is communicated with the second drain pipe, and the joint is positioned between the sixth electric valve and the seventh electric valve;
the second membrane pool is used for storing liquid discharged by the fourth drain pipe, and the fourth drain pipe stretches into the second membrane pool through a fourth branch pipe;
the second MBR membrane group is arranged in the second membrane pool, the fourth drain pipe is connected with the second MBR membrane group so as to purify liquid in the fourth drain pipe, and a plurality of second MBR membrane groups are arranged;
the third liquid level sensor is erected on the second membrane tank and is used for monitoring the height of liquid in the second membrane tank, and the third liquid level sensor is connected with the control terminal through a wireless network;
the second pressure sensor is arranged on the fourth drain pipe and is close to the sixth electric valve and the seventh electric valve;
and the aeration part is used for introducing gas into the second MBR membrane group and the first MBR membrane group.
In a preferred embodiment of any of the foregoing aspects, the aeration section includes:
the air main pipe is used for introducing gas;
one end of the second exhaust pipe is communicated with the air main pipe, wherein the second exhaust pipe is communicated with one ends of a plurality of third branch pipes, and the other ends of the third branch pipes extend into the second MBR membrane group;
the first exhaust pipe is communicated with one end of the second exhaust pipe, the first exhaust pipe is communicated with one ends of a plurality of second branch pipes, the other ends of the second branch pipes extend into the first MBR membrane group, a third electric valve is arranged on the second exhaust pipe, and the third electric valve is positioned between the connection part of the first exhaust pipe and the second exhaust pipe and the connection part of the third branch pipes and the second exhaust pipe;
the second electric valve is arranged on the first exhaust pipe and is close to the joint of the first exhaust pipe and the second exhaust pipe.
By adopting the technical scheme, compared with the prior art, the utility model has the following beneficial effects.
Can prevent that the precipitate from getting into electric valve with sewage and causing paralysis and the flow of system to be difficult to the condition of regulation, through with backwash portion, interpolation portion, regulation and control portion, first filter part and second filter part respectively with control terminal connection, can communicate, reach remote monitoring and remote regulation's purpose, and can in time handle system's trouble.
The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. Some specific embodiments of the present application will be described in detail hereinafter by way of example and not by way of limitation with reference to the accompanying drawings. The same reference numbers in the drawings denote the same or similar parts or portions, and it will be understood by those skilled in the art that the drawings are not necessarily drawn to scale, in which:
FIG. 1 is a schematic diagram of an MBR wastewater treatment system of the present utility model.
FIG. 2 is a schematic view of the backwash part of the MBR wastewater treatment system of the present utility model.
FIG. 3 is a schematic diagram of an added part of the MBR sewage treatment system of the present utility model.
FIG. 4 is a schematic diagram of a first filter section of the MBR wastewater treatment system of the present utility model.
FIG. 5 is a schematic diagram of a second filter section of the MBR wastewater treatment system of the present utility model.
FIG. 6 is a schematic diagram of the control part of the MBR sewage treatment system of the present utility model.
In the figure: 1. a backwashing section; 11. backwashing a pool; 12. a first drain pipe; 13. a first liquid level sensor; 14. a first electrically operated valve; 15. a water producing main pipe; 2. an adding unit; 21. a first backwash pump; 22. a second backwash pump; 23. a first flow sensor; 24. a citric acid system; 25. a sodium chlorate system; 26. a second drain pipe; 3. a first filtering part; 31. a first membrane tank; 32. a first MBR membrane group; 33. a first branch pipe; 34. a second branch pipe; 35. a second liquid level sensor; 36. a first pressure sensor; 37. a third drain pipe; 38. a second electrically operated valve; 39. a first exhaust pipe; 4. a second filtering part; 41. an air dry pipe; 42. a third electrically operated valve; 43. a second exhaust pipe; 44. a second MBR membrane group; 45. a second membrane tank; 46. a third branch pipe; 47. a fourth branch pipe; 48. a fourth drain pipe; 49. a third liquid level sensor; 5. a regulating part; 51. a water producing main pipe; 52. a second flow sensor; 53. a third flow sensor; 54. a first water producing pump; 55. a fourth electrically operated valve; 56. a fifth electrically operated valve; 57. a sixth electrically operated valve; 58. a seventh electrically operated valve; 59. and a second water producing pump.
It should be noted that these drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by referring to the specific embodiments.
Detailed Description
In order to enable those skilled in the art to better understand the present application, the following description will make clear and complete descriptions of the technical solutions in the embodiments of the present application with reference to the accompanying drawings in the embodiments of the present application. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
In the description of the present application, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
The following examples of the present application illustrate the aspects of the present application in detail using an MBR sewage treatment system as an example, but the examples should not limit the scope of the present application.
As shown in fig. 1 to 6, the present utility model provides an MBR sewage treatment system, comprising:
a backwashing unit 1 for backwashing the liquid to filter the liquid;
an adding section 2 which communicates with the backwashing section 1 and which adds a reaction reagent to the liquid filtered by the backwashing section 1;
a regulating part 5 which is communicated with the adding part 2 and is used for shunting the liquid after the reaction reagent is added;
a first filtering part 3 which is communicated with the regulating part 5 and is used for filtering liquid;
a second filtering part 4 communicated with the regulating part 5 and used for filtering liquid, wherein the first filtering part 3 is connected with the second filtering part 4 in parallel;
and a control terminal connected with the backwashing part 1, the adding part 2, the regulating and controlling part 5, the first filtering part 3 and the second filtering part 4.
In the MBR sewage treatment system, the submerged pump is eliminated, sewage flows in sequence under the action of gravity, disturbance caused by the suction effect of the submerged pump is reduced, the condition that sediment enters the submerged pump and an electric valve along with sewage to cause paralysis of the system and difficult flow adjustment is prevented, communication can be carried out by respectively connecting a backwashing part, an adding part, a regulating part, a first filtering part and a second filtering part with a control terminal, the purposes of remote monitoring and remote adjustment are achieved, and system faults can be treated in time.
The control terminal comprises a central control room (CentralControlRoom, CCR) and an upper management machine. The part comprises: one or more monitoring management computers (control terminals 700), printers, uninterruptible power supplies (UninterruptiblePowerSupply, UPS) (an uninterruptible power supply with an energy storage device, which is mainly used for providing uninterruptible power supply for equipment with high requirements on power stability, and the like), projectors and the like, and also comprises a communication network, a PLC control station and field equipment.
The sewage treatment system uses a wireless data transmission communication network in the process of data transmission and transmits signals through a 4G/5G wireless gateway, wherein on site of the sewage treatment system, field devices and meters are also arranged, the field devices and meters comprise MCC/PC, a local control box, measuring meters (a first measuring meter and a second measuring meter), an executing mechanism and process devices (a water treatment device and a water pump), and the field devices and the meters comprise the MCC/PC, the local control box, the measuring meters (the first measuring meter and the second measuring meter), the executing mechanism and the process devices (the water treatment device and the water pump) are connected with a remote control terminal of the sewage treatment system through DI/DO/AI/AO shielding signal communication cables.
In the sewage treatment system, a wireless 4G/5G router which is added by the Internet of things technology is arranged at a remote pump station based on a 4G/5G wireless communication network mode in terms of wireless connection, and data are transmitted to a factory-level central control room data center through a public mobile network.
In the sewage treatment system, the control terminal further comprises an intelligent platform, wherein the intelligent platform is divided into intelligent applications (including visual and transparent monitoring, fault early warning intelligent operation and maintenance, edge calculation energy consumption analysis, simulation modeling expert system, micro data center private cloud and global wide area network (WorldWideWeb, WEB) information release system) and micro data centers (including a historical data server, a calculation simulation server, a WEB server and a video data server). The data transmission network system includes: "one-day" wired communication networks and "one-ground" wireless communication networks. The perception detection control field system comprises: the system comprises a motor control center (MotorControlCenter, MCC)/personal computer (PersonalComputer, PC) power distribution system, a PLC/distributed control system (DistributedControlSystem, DCS) automatic control, an intelligent measuring instrument, a video monitoring system, a radio frequency identification technology (RadioFrequencyIdentification, RFID) identification system and a 4G/5G Internet of things gateway.
As shown in fig. 1 to 6, the backwash part 1 includes:
a water production main 15;
the backwashing water tank 11 is communicated with the water production main pipe 15 through a conduit, wherein a first electric valve 14 is arranged on the conduit;
a first drain pipe 12 which is provided at the bottom of the backwash tank 11 and communicates with the backwash tank 11;
and one end of the first liquid level sensor 13 is inserted into the backwashing water tank 11 and is used for monitoring the height of liquid in the backwashing water tank 11 in real time, wherein the first electric valve 14 and the first liquid level sensor 13 are respectively connected with a control terminal through a wireless network.
In the MBR sewage treatment system of the present utility model, when the sewage is treated, the sewage is discharged into the backwash tank 11 through the water producing main pipe 15 through the conduit, when the sewage is placed in the backwash tank 11 for a period of time, the sludge in the sewage is deposited at the bottom of the backwash tank 11, when the deposited sludge needs to be treated, the electromagnetic valve on the first drain pipe 12 is opened, wherein the electromagnetic valve is connected with the control terminal, and the sludge is discharged after the electromagnetic valve is opened, thereby realizing convenient cleaning, and the height of the liquid in the backwash tank 11 can be detected in real time by setting the first liquid level sensor 13, so that the control terminal can conveniently grasp the status of the liquid in the backwash tank 11 in real time, and control the opening or closing of the first electric valve 14 according to the grasped height of the liquid.
As shown in fig. 1 to 6, the adding section 2 includes:
a backwash member which is communicated with the backwash tank 11, sucks liquid in the backwash tank 11, and discharges the sucked liquid to a second drain pipe 26;
a reagent input member, which is communicated with the second drain pipe 26 through a feed pipe, for adding a reaction reagent to the second drain pipe 26 through the feed pipe;
a first flow sensor 23 disposed on the second drain pipe 26 and on the second drain pipe 26 between the backwash member and the feed pipe, wherein the backwash member includes:
a first backwash pump 21 in communication with the backwash tank 11;
a second backwash pump 22 connected in parallel with the backwash tank 11 and with the first backwash pump 21; the reagent input member includes:
a citric acid system 24 in communication with the second drain pipe 26 via a feed pipe for adding citric acid to the second drain pipe 26 via the feed pipe;
and the sodium chlorate system 25 is communicated with the second drain pipe 26 through a feeding pipe and is used for feeding sodium chlorate into the second drain pipe 26 through the feeding pipe, and the citric acid system 24 is connected with the sodium chlorate system 25 in parallel.
In the MBR sewage treatment system of the present utility model, the first backwash pump 21 and the second backwash pump 22 operate, and then the precipitated sewage enters the second drain pipe 26 through the conduit, the flow rate of the liquid in the second drain pipe 26 can be monitored in real time through the first flow sensor 23 arranged on the second drain pipe 26, and flow rate data is transmitted to the control terminal, when the flow rate of the liquid in the second drain pipe 26 needs to be adjusted, the control terminal sends an instruction for changing the operating power to the first backwash pump 21 and the second backwash pump 22, so that the flow rate of the liquid in the second drain pipe 26 is changed according to the operating power of the first backwash pump 21 and the second backwash pump 22, and therefore, the operation efficiency can be improved according to the actual requirement, and by arranging the citric acid system 24 and the sodium chlorate system 25, for example, the citric acid can be used for softening hard water and the sodium chlorate can be added into the second drain pipe 26, and the effects of cleaning, disinfection and sterilization can be achieved.
As shown in fig. 1 to 6, the control unit 5 includes:
a first water producing pump 54 connected to one end of the second water draining pipe 26, wherein a fourth electric valve 55 and a fifth electric valve 56 are provided on the second water draining pipe 26 close to the first water producing pump 54;
a second water producing pump 59 connected to one end of the second water draining pipe 26, wherein a sixth electric valve 57 and a seventh electric valve 58 are provided on the second water draining pipe 26 close to the second water producing pump 59;
the water producing main pipe 51 is respectively communicated with the first water producing pump 54 and the second water producing pump 59 through a conduit, wherein a second flow sensor 52 and a third flow sensor 53 are respectively arranged on the conduits respectively close to the first water producing pump 54 and the second water producing pump 59, and the second flow sensor 52 and the third flow sensor 53 are respectively used for monitoring the flow of the liquid in the two conduits and sending the detected flow information of the liquid to the control terminal.
In the MBR sewage treatment system according to the present utility model, when the liquid is discharged into the produced water main 51 through the second drain pipe 26, the liquid passes through the fourth electric valve 55, the fifth electric valve 56, the sixth electric valve 57 and the seventh electric valve 58, respectively, wherein, in order to achieve intelligent regulation, the fourth electric valve 55, the fifth electric valve 56, the sixth electric valve 57 and the seventh electric valve 58 are connected with the control terminal through the wireless network, respectively, wherein, the second flow sensor 52 and the third flow sensor 53 provided on the second drain pipe 26 are used for detecting the flow rate of the liquid on the respective pipes, respectively, and transmitting the detected information to the control terminal, so that the control terminal can regulate and control according to the detected flow rate information, and when the cleaning is required to be continued, the fourth electric valve 55 and the seventh electric valve 58 can be closed, and then the liquid is discharged into the first filtering part 3 and the second filtering part 4, respectively.
As shown in fig. 1 to 6, the first water producing pump 54 is connected in parallel with the second water producing pump 59; the first filter unit 3 includes:
a third drain pipe 37, one end of which is communicated with the second drain pipe 26, and the junction is located between the fourth electrically operated valve 55 and the fifth electrically operated valve 56;
a first membrane tank 31 for storing the liquid discharged from the third drain pipe 37, and the third drain pipe 37 extends into the first membrane tank 31 through a first branch pipe 33;
a first MBR membrane group 32 disposed in the first membrane tank 31, and the third drain pipe 37 is connected to the first MBR membrane group 32 to purify the liquid in the third drain pipe 37;
the second liquid level sensor 35 is erected on the first membrane tank 31 and is used for monitoring the height of the liquid in the first membrane tank 31, and the second liquid level sensor 35 is connected with the control terminal through a wireless network;
a first pressure sensor 36 disposed on the third drain pipe 37 and adjacent to the fourth and fifth electrically operated valves 55 and 56, the first MBR membrane group 32 being provided with a plurality of first and second electrically operated valves; the second filter unit 4 includes:
a fourth drain pipe 48, one end of which is communicated with the second drain pipe 26, and the junction is located between the sixth electrically operated valve 57 and the seventh electrically operated valve 58;
a second membrane tank 45 for storing the liquid discharged from the fourth drain pipe 48, and the fourth drain pipe 48 extends into the second membrane tank 45 through a fourth branch pipe 47;
the second MBR membrane group 44 is disposed in the second membrane tank 45, and the fourth water drain pipe 48 is connected with the second MBR membrane group 44, so as to purify the liquid in the fourth water drain pipe 48, and a plurality of second MBR membrane groups 44 are disposed;
the third liquid level sensor 49 is erected on the second membrane tank 45 and is used for monitoring the height of the liquid in the second membrane tank 45, and the third liquid level sensor 49 is connected with the control terminal through a wireless network;
a second pressure sensor 50 disposed on the fourth drain pipe 48 and adjacent to the sixth electrically operated valve 57 and the seventh electrically operated valve 58;
and an aeration part for introducing gas into the second MBR membrane group 44 and the first MBR membrane group 32.
In the MBR sewage treatment system of the present utility model, sewage can be filtered by providing the second MBR membrane group 44 and the first MBR membrane group 32, wherein the second MBR membrane group 44 and the first MBR membrane group 32 are common sewage treatment devices using MBR membranes in the market, and thus, sewage filtration can be achieved.
As shown in fig. 1 to 6, the aeration section includes:
an air trunk 41 for introducing a gas;
a second exhaust pipe 43 having one end in communication with the air trunk pipe 41, wherein the second exhaust pipe 43 is in communication with one end of a plurality of third branch pipes 46, and the other end of the third branch pipes 46 extends into the second MBR membrane group 44;
a first exhaust pipe 39, one end of which is communicated with the second exhaust pipe 43, and the first exhaust pipe 39 is communicated with one end of a plurality of second branch pipes 34, the other end of the second branch pipes 34 extends into the first MBR membrane group 32, a third electric valve 42 is arranged on the second exhaust pipe 43, and the third electric valve 42 is positioned between the connection part of the first exhaust pipe 39 and the second exhaust pipe 43 and the connection part of the third branch pipes 46 and the second exhaust pipe 43;
the second electrically operated valve 38 is disposed on the first exhaust pipe 39, and the second electrically operated valve 38 is close to a junction between the first exhaust pipe 39 and the second exhaust pipe 43.
When using, in order to further improve the efficiency of purifying sewage, can let in gas according to the demand in to sewage, thereby make sewage abundant with second MBR membrane group 44 and first MBR membrane group 32 contact, thereby can improve the area of contact between sewage and second MBR membrane group 44 and the first MBR membrane group 32, thereby play the effect that improves purification efficiency.
When specifically operated, the method specifically comprises the following steps:
step 1: aerating, opening the third electric valve 42 and the second electric valve 38, and running for 300-900 seconds;
step 2: backwashing, namely closing the third electric valve 42 and the second electric valve 38, opening the first electric valve 14, the first backwashing pump 21 and the second backwashing pump 22, and running for 300 seconds;
step 3: adding medicine for backwashing, starting a medicine adding pump while maintaining backwashing step 2, opening a third electric valve 42 arranged on the second exhaust pipe 43 and opening a second electric valve 38 arranged on the first exhaust pipe 39, and running for 300 seconds;
step 4: soaking, namely closing the first backwashing pump 21 and the second backwashing pump 22, and soaking for 300 seconds;
step 5: the first backwash pump 21 and the second backwash pump 22 are turned on and run for 300 seconds;
step 6: and (3) aerating again, stopping the first backwashing pump 21 and the second backwashing pump 22, closing the first electric valve 14, opening the third electric valve 42 and the second electric valve 38, running for 300 seconds, and finally closing the third electric valve 42 and the second electric valve 38, and finishing the dosing backwashing.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.
Claims (10)
1. An MBR sewage treatment system, comprising:
a backwashing unit (1) for backwashing the liquid to filter the liquid;
an adding part (2) which is communicated with the backwashing part (1) and is used for adding a reaction reagent to the liquid filtered by the backwashing part (1);
a regulating part (5) communicated with the adding part (2) and used for shunting the liquid after the reaction reagent is added;
a first filtering part (3) communicated with the regulating part (5) and used for filtering liquid;
a second filter part (4) which is communicated with the regulating part (5) and is used for filtering liquid, wherein the first filter part (3) is connected with the second filter part (4) in parallel;
and the control terminal is connected with the backwashing part (1), the adding part (2), the regulating and controlling part (5), the first filtering part (3) and the second filtering part (4).
2. The MBR sewage treatment system according to claim 1, wherein the backwash part (1) comprises:
a water producing main pipe (15);
the backwashing water tank (11) is communicated with the water production main pipe (15) through a conduit, wherein a first electric valve (14) is arranged on the conduit;
a first drain pipe (12) which is arranged at the bottom of the backwashing water tank (11) and is communicated with the backwashing water tank (11);
and one end of the first liquid level sensor (13) is inserted into the backwashing water tank (11) and is used for monitoring the height of liquid in the backwashing water tank (11) in real time, wherein the first electric valve (14) and the first liquid level sensor (13) are respectively connected with a control terminal through a wireless network.
3. An MBR sewage treatment system according to claim 2, wherein the adding section (2) comprises:
a backwash part which is communicated with the backwash water tank (11) and is used for sucking liquid in the backwash water tank (11) and discharging the sucked liquid to a second drain pipe (26);
a reagent input member which is communicated with the second drain pipe (26) through a feed pipe and is used for adding a reaction reagent into the second drain pipe (26) through the feed pipe;
a first flow sensor (23) is disposed on the second drain pipe (26) and is located on the second drain pipe (26) between the backwash member and the feed pipe.
4. The MBR wastewater treatment system of claim 3, wherein the backwash member comprises:
a first backwash pump (21) in communication with the backwash tank (11);
a second backwash pump (22) connected in parallel with the backwash tank (11) and with the first backwash pump (21); the reagent input member includes:
a citric acid system (24) in communication with the second drain pipe (26) via a feed pipe for feeding citric acid into the second drain pipe (26) via the feed pipe;
and the sodium chlorate system (25) is communicated with the second water discharge pipe (26) through a feeding pipe, and is used for feeding sodium chlorate into the second water discharge pipe (26) through the feeding pipe, and the citric acid system (24) is connected with the sodium chlorate system (25) in parallel.
5. An MBR sewage treatment system according to claim 3 or 4, wherein the regulating portion (5) comprises:
a first water producing pump (54) communicated with one end of the second water discharging pipe (26), wherein a fourth electric valve (55) and a fifth electric valve (56) are arranged on the second water discharging pipe (26) close to the first water producing pump (54);
a second water producing pump (59) communicated with one end of the second water discharging pipe (26), wherein a sixth electric valve (57) and a seventh electric valve (58) are arranged on the second water discharging pipe (26) close to the second water producing pump (59);
and the water producing main pipe (51) is respectively communicated with the first water producing pump (54) and the second water producing pump (59) through a guide pipe, wherein a second flow sensor (52) and a third flow sensor (53) are respectively arranged on the guide pipes which are respectively close to the first water producing pump (54) and the second water producing pump (59), and the second flow sensor (52) and the third flow sensor (53) are respectively used for monitoring the flow of liquid in the two guide pipes and sending the detected flow information of the liquid to a control terminal.
6. The MBR sewage treatment system according to claim 5, wherein the first water producing pump (54) is connected in parallel with the second water producing pump (59).
7. An MBR sewage treatment system according to claim 6, wherein the first filtering section (3) comprises:
a third drain pipe (37), one end of which is communicated with the second drain pipe (26), and the joint is positioned between the fourth electric valve (55) and the fifth electric valve (56);
a first membrane tank (31) for storing the liquid discharged from the third drain pipe (37), and the third drain pipe (37) extends into the first membrane tank (31) through a first branch pipe (33);
the first MBR membrane group (32) is arranged in the first membrane tank (31), and the third drain pipe (37) is connected with the first MBR membrane group (32) so as to purify liquid in the third drain pipe (37);
the second liquid level sensor (35) is arranged on the first membrane tank (31) in an erected mode and is used for monitoring the height of liquid in the first membrane tank (31), and the second liquid level sensor (35) is connected with the control terminal through a wireless network;
and a first pressure sensor (36) which is provided on the third drain pipe (37) and is close to the fourth electrically operated valve (55) and the fifth electrically operated valve (56).
8. The MBR sewage treatment system according to claim 7, wherein the first MBR membrane group (32) is provided with a plurality.
9. An MBR sewage treatment system according to claim 7 or 8, wherein the second filtering section (4) comprises:
a fourth drain pipe (48), one end of which is communicated with the second drain pipe (26), and the joint is positioned between the sixth electric valve (57) and the seventh electric valve (58);
a second membrane tank (45) for storing the liquid discharged from the fourth drain pipe (48), and the fourth drain pipe (48) extends into the second membrane tank (45) through a fourth branch pipe (47);
the second MBR membrane group (44) is arranged in the second membrane tank (45), the fourth water discharge pipe (48) is connected with the second MBR membrane group (44) so as to purify liquid in the fourth water discharge pipe (48), and a plurality of second MBR membrane groups (44) are arranged;
the third liquid level sensor (49) is erected on the second membrane tank (45) and is used for monitoring the height of liquid in the second membrane tank (45), and the third liquid level sensor (49) is connected with the control terminal through a wireless network;
a second pressure sensor (50) provided on the fourth drain pipe (48) and close to the sixth electrically operated valve (57) and the seventh electrically operated valve (58);
and the aeration part is used for introducing gas into the second MBR membrane group (44) and the first MBR membrane group (32).
10. The MBR sewage treatment system according to claim 9, wherein the aeration section comprises:
an air trunk (41) for introducing a gas;
a second exhaust pipe (43) with one end communicated with the air trunk pipe (41), wherein the second exhaust pipe (43) is communicated with one ends of a plurality of third branch pipes (46), and the other ends of the third branch pipes (46) extend into the second MBR membrane group (44);
a first exhaust pipe (39), one end of which is communicated with the second exhaust pipe (43), and one ends of the first exhaust pipe (39) are communicated with one ends of a plurality of second branch pipes (34), the other ends of the second branch pipes (34) extend into the first MBR membrane group (32), a third electric valve (42) is arranged on the second exhaust pipe (43), and the third electric valve (42) is positioned between the joint of the first exhaust pipe (39) and the second exhaust pipe (43) and the joint of the third branch pipe (46) and the second exhaust pipe (43);
the second electric valve (38) is arranged on the first exhaust pipe (39), and the second electric valve (38) is close to the joint of the first exhaust pipe (39) and the second exhaust pipe (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321069173.XU CN220537597U (en) | 2023-05-06 | 2023-05-06 | MBR sewage treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321069173.XU CN220537597U (en) | 2023-05-06 | 2023-05-06 | MBR sewage treatment system |
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| Publication Number | Publication Date |
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| CN220537597U true CN220537597U (en) | 2024-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202321069173.XU Active CN220537597U (en) | 2023-05-06 | 2023-05-06 | MBR sewage treatment system |
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| Country | Link |
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| CN (1) | CN220537597U (en) |
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2023
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