CN214734851U - Rural sewage treatment device with air stripping cleaning aeration structure - Google Patents
Rural sewage treatment device with air stripping cleaning aeration structure Download PDFInfo
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- CN214734851U CN214734851U CN202120750473.9U CN202120750473U CN214734851U CN 214734851 U CN214734851 U CN 214734851U CN 202120750473 U CN202120750473 U CN 202120750473U CN 214734851 U CN214734851 U CN 214734851U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
The utility model relates to a rural sewage treatment device with an air stripping cleaning aeration structure, which comprises a sewage biochemical treatment tank, an air pump, a flushing fluid box and a liquid discharge pipe, wherein the sewage biochemical treatment tank is internally provided with an anaerobic tank, an anoxic tank, an aerobic tank and a sedimentation tank which are arranged in sequence, the bottoms of the anaerobic tank, the anoxic tank and the aerobic tank are respectively provided with a group of perforated aeration pipes, the inlets of the perforated aeration pipes are connected with an air inlet branch pipe and a liquid inlet branch pipe through three-way joints, the outlets of the perforated aeration pipes are connected with the liquid discharge branch pipe, switch valves are respectively installed on the air inlet branch pipe, the liquid inlet branch pipe and the liquid discharge branch pipe, an air outlet of the air pump is connected with an air supply pipe, the air supply pipe is communicated with the air inlet branch pipe, the bottom of the flushing liquid box is connected with a liquid supply pipe, the liquid supply pipe is communicated with the liquid inlet branch pipe, an outlet of the liquid discharge pipe extends into the anaerobic tank, and an inlet of the liquid discharge pipe is respectively connected with the liquid discharge branch pipe. The beneficial effects are that: compared with the prior art, the device has simple design structure, easy operation and maintenance and no increase of the energy consumption cost of equipment.
Description
Technical Field
The utility model relates to a rural sewage treatment device field especially relates to a rural sewage treatment device with air stripping washs aeration structure.
Background
The aeration system is the key of sewage treatment, and sewage is treated by equipment aeration, so that the contact of organic matters in the pool with microorganisms and dissolved oxygen is enhanced, and the organic matters in the sewage are subjected to oxidative decomposition. Aeration devices can be generally divided into three categories: air diffusion aerators, mechanical aerators and jet aerators, wherein perforated aeration is a common aeration mode in rural sewage treatment equipment at present.
The existing aeration device is usually arranged integrally and fixed at the bottom of the reaction tank, so that the installation, the disassembly, the cleaning and the maintenance are inconvenient; after the aerator is operated and used for a period of time, due to the deposition of granular substances, garbage, sludge and the like, the aeration holes are easy to block, the aeration pipe cannot be cleaned, the whole aerator pipe is scrapped, and the use and maintenance cost is high; even if can dismantle abluent aeration systems, aeration pipe in time, the project organization is complicated, and the actual operation is difficult to be used.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the problems in the prior art and provide a rural sewage treatment device with an air stripping cleaning aeration structure.
For realizing above-mentioned technical purpose, reach above-mentioned technological effect, the utility model discloses a following technical scheme realizes:
a rural sewage treatment device with an air stripping cleaning aeration structure comprises a sewage biochemical treatment tank, an air pump, a flushing fluid tank and a liquid discharge pipe, the sewage biochemical treatment tank is internally provided with an anaerobic tank, an anoxic tank, an aerobic tank and a sedimentation tank which are arranged in sequence, the bottom parts of the anaerobic tank, the anoxic tank and the aerobic tank are respectively provided with a group of perforated aeration pipes, the inlets of the perforated aeration pipes are connected with an air inlet branch pipe and a liquid inlet branch pipe through tee joints, the outlet of the perforated aeration pipe is connected with a liquid discharge branch pipe, switch valves are respectively arranged on the air inlet branch pipe, the liquid inlet branch pipe and the liquid discharge branch pipe, the air outlet of the air pump is connected with an air feed pipe which is communicated with an air inlet branch pipe, the bottom of the flushing liquid tank is connected with a liquid feed pipe, the liquid feeding pipe is communicated with the liquid inlet branch pipe, the outlet of the liquid discharge pipe extends into the anaerobic pool, and the inlet of the liquid discharge pipe is respectively connected with the liquid discharge branch pipe.
Furthermore, the perforated aeration pipes are respectively a first perforated aeration pipe arranged at the bottom of the anaerobic tank, a second perforated aeration pipe arranged at the bottom of the anoxic tank and a third perforated aeration pipe arranged at the bottom of the aerobic tank.
Furthermore, the air inlet branch pipes are respectively a first air inlet branch pipe connected with the first perforated aerator pipe through a first three-way joint, a second air inlet branch pipe connected with the second perforated aerator pipe through a second three-way joint, and a third air inlet branch pipe connected with the third perforated aerator pipe through a third three-way joint, a first switch valve is installed on the first air inlet branch pipe, a second switch valve is installed on the second air inlet branch pipe, and a third switch valve is installed on the third air inlet branch pipe.
Further, the liquid inlet branch pipe is respectively for the first liquid inlet branch pipe through first three way connection and first perforation aeration union coupling, the second liquid inlet branch pipe through second three way connection and second perforation aeration union coupling, the third liquid inlet branch pipe through third three way connection and third perforation aeration union coupling, install fourth switch valve on the first liquid inlet branch pipe, install fifth switch valve on the second liquid inlet branch pipe, install sixth switch valve on the third liquid inlet branch pipe.
Further, the liquid discharge branch pipes are respectively a first liquid discharge branch pipe connected with the first perforated aeration pipe, a second liquid discharge branch pipe connected with the second perforated aeration pipe and a third liquid discharge branch pipe connected with the third perforated aeration pipe, a seventh switch valve is installed on the first liquid discharge branch pipe, an eighth switch valve is installed on the second liquid discharge branch pipe, and a ninth switch valve is installed on the third liquid discharge branch pipe.
The utility model has the advantages that: through setting up flushing fluid case, fluid-discharge tube, feed liquor branch pipe, flowing back branch pipe, valve, utilize valve control to pass into washing liquid and discharge flush fluid and gas to the perforation aeration pipe, realize the washing of air stripping to pipeline structure, compare with prior art at present, this device design simple structure, easy operation and maintenance do not increase equipment energy consumption cost.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:
FIG. 1 is a schematic structural view of rural sewage treatment equipment in an embodiment of the utility model;
fig. 2 is the internal structure schematic diagram of rural sewage treatment equipment in the embodiment of the utility model.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in figures 1 and 2, a rural sewage treatment device with an air-stripping cleaning aeration structure comprises a sewage biochemical treatment tank 1, an air pump 2, a flushing fluid tank 3 and a liquid discharge pipe 4, wherein an anaerobic pool 5, an anoxic pool 6, an aerobic pool 7 and a sedimentation pool 8 are arranged in the sewage biochemical treatment tank 1 in sequence, a group of perforated aeration pipes are respectively arranged at the bottoms of the anaerobic pool 5, the anoxic pool 6 and the aerobic pool 7, the inlets of the perforated aeration pipes are connected with an air inlet branch pipe and a liquid inlet branch pipe through tee joints, the outlets of the perforated aeration pipes are connected with the liquid discharge branch pipe, switch valves are respectively arranged on the air inlet branch pipe, the liquid inlet branch pipe and the liquid discharge branch pipe, the air outlet of the air pump 2 is connected with an air inlet pipe 9, the air inlet pipe 9 is communicated with the air inlet branch pipe, the bottom of the flushing fluid tank 3 is connected with a liquid feeding pipe 10, the liquid feeding pipe 10 is communicated with the liquid inlet branch pipe, the outlet of the liquid discharge pipe 4 extends into the anaerobic pool 5, the inlets of the liquid discharge pipes 4 are respectively connected with liquid discharge branch pipes. This technical scheme is through setting up flushing fluid case, fluid-discharge tube, feed liquor branch pipe, flowing back branch pipe, valve, utilizes valve control to let in washing liquid and discharge flush fluid and gas to the perforation aeration pipe, realizes the washing of air stripping to pipeline structure, compares with current prior art, and this device design simple structure easily operates operation and maintenance, does not increase equipment energy consumption cost.
In this embodiment, the perforated aeration pipes are a first perforated aeration pipe 11 installed at the bottom of the anaerobic tank 5, a second perforated aeration pipe 12 installed at the bottom of the anoxic tank 6, and a third perforated aeration pipe 13 installed at the bottom of the aerobic tank 7, respectively.
The air inlet branch pipes are respectively a first air inlet branch pipe 17 connected with the first perforated aerator pipe 11 through a first three-way joint 14, a second air inlet branch pipe 18 connected with the second perforated aerator pipe 12 through a second three-way joint 15, and a third air inlet branch pipe 19 connected with the third perforated aerator pipe 13 through a third three-way joint 16, a first switch valve 20 is installed on the first air inlet branch pipe 17, a second switch valve 21 is installed on the second air inlet branch pipe 18, and a third switch valve 22 is installed on the third air inlet branch pipe 19.
The liquid inlet branch pipes are respectively a first liquid inlet branch pipe 23 connected with the first perforated aeration pipe 11 through a first three-way joint 14, a second liquid inlet branch pipe 24 connected with the second perforated aeration pipe 12 through a second three-way joint 15, and a third liquid inlet branch pipe 25 connected with the third perforated aeration pipe 13 through a third three-way joint 16, a fourth switch valve 26 is installed on the first liquid inlet branch pipe 23, a fifth switch valve 27 is installed on the second liquid inlet branch pipe 24, and a sixth switch valve 28 is installed on the third liquid inlet branch pipe 25.
The liquid discharging branch pipes are respectively a first liquid discharging branch pipe 29 connected with the first perforated aeration pipe 11, a second liquid discharging branch pipe 30 connected with the second perforated aeration pipe 12 and a third liquid discharging branch pipe 31 connected with the third perforated aeration pipe 13, a seventh switch valve 32 is installed on the first liquid discharging branch pipe 29, an eighth switch valve 33 is installed on the second liquid discharging branch pipe 30, and a ninth switch valve 34 is installed on the third liquid discharging branch pipe 31.
The implementation principle is as follows:
(1) under the working condition of normal operation, the fourth switch valve, the fifth switch valve, the sixth switch valve, the seventh switch valve, the eighth switch valve and the ninth switch valve are all closed, the first switch valve, the second switch valve and the third switch valve are opened, gas is introduced into the gas inlet branch pipe to the bottom of the tank, and is separated from the perforated aeration pipe in uniformly distributed aperture to oxygenate the biochemical system;
(2) when the aeration device is cleaned regularly, clear water is injected into the flushing liquid tank, the first switch valve, the second switch valve, the third switch valve, the fourth switch valve, the fifth switch valve, the sixth switch valve, the seventh switch valve, the eighth switch valve and the ninth switch valve are all opened, the clear water is introduced through the liquid inlet branch pipe, and at the moment, when gas is introduced from the gas inlet branch pipe, the gas passes through the perforated aeration pipe and then is discharged from the liquid outlet branch pipe; the liquid is flushed in the perforated aeration pipe by the principle of air stripping, so that the aim of cleaning the pipeline is fulfilled;
(3) when the perforated aeration pipe is used for scaling and cleaning, acid washing solution is injected into the washing liquid tank, the first switch valve, the second switch valve, the third switch valve, the fourth switch valve, the fifth switch valve, the sixth switch valve, the seventh switch valve, the eighth switch valve and the ninth switch valve are all opened, the acid washing solution is introduced through the liquid inlet branch pipe, and at the moment, when gas is introduced from the gas inlet branch pipe, the gas can pass through the perforated aeration pipe and then is discharged from the liquid outlet branch pipe; the negative pressure is formed in the perforated aeration pipe due to the rapid passing of the gas in the perforated aeration pipe, so that the liquid is flushed in the perforated aeration pipe by the principle of gas stripping, and the aim of cleaning the pipeline is fulfilled. The acid wash solution is for example sodium hypochlorite.
Optionally, a single set of perforated aeration tubes may be cleaned, in the same manner as described above.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.
Claims (5)
1. A rural sewage treatment equipment with air stripping cleaning aeration structure, which is characterized in that: including sewage biochemical treatment jar, air pump, flushing fluid case, fluid-discharge tube, be equipped with anaerobic tank, oxygen deficiency pond, good oxygen pond, the sedimentation tank that arranges in proper order in the sewage biochemical treatment jar, a set of perforation aeration pipe is installed respectively to the bottom in anaerobic tank, oxygen deficiency pond, good oxygen pond, the entry of perforation aeration pipe is connected with air inlet branch pipe and feed liquor branch pipe through three way connection, the exit linkage of perforation aeration pipe has the flowing back branch pipe, install switch valve on air inlet branch pipe, the feeding liquor branch pipe, the flowing back branch pipe separately, the gas outlet of air pump is connected with the air feed pipe, air feed pipe and air inlet branch pipe intercommunication, the bottom of flushing fluid case is connected with the liquid feed pipe, liquid feed pipe and feed liquor branch pipe intercommunication, the export of fluid-discharge tube stretches into in the anaerobic tank, the entry of fluid-discharge tube is connected with the flowing back branch pipe respectively.
2. The rural sewage treatment equipment of claim 1, wherein: the perforated aeration pipes are respectively a first perforated aeration pipe arranged at the bottom of the anaerobic tank, a second perforated aeration pipe arranged at the bottom of the anoxic tank and a third perforated aeration pipe arranged at the bottom of the aerobic tank.
3. The rural sewage treatment equipment of claim 2, wherein: the air inlet branch pipes are respectively a first air inlet branch pipe connected with the first perforated aeration pipe through a first three-way joint, a second air inlet branch pipe connected with the second perforated aeration pipe through a second three-way joint, and a third air inlet branch pipe connected with the third perforated aeration pipe through a third three-way joint, a first switch valve is installed on the first air inlet branch pipe, a second switch valve is installed on the second air inlet branch pipe, and a third switch valve is installed on the third air inlet branch pipe.
4. The rural sewage treatment equipment of claim 2, wherein: the liquid inlet branch pipe is respectively a first liquid inlet branch pipe connected with the first perforated aeration pipe through a first three-way joint, a second liquid inlet branch pipe connected with the second perforated aeration pipe through a second three-way joint, and a third liquid inlet branch pipe connected with the third perforated aeration pipe through a third three-way joint, a fourth switch valve is installed on the first liquid inlet branch pipe, a fifth switch valve is installed on the second liquid inlet branch pipe, and a sixth switch valve is installed on the third liquid inlet branch pipe.
5. The rural sewage treatment equipment of claim 2, wherein: the liquid discharge branch pipes are respectively a first liquid discharge branch pipe connected with the first perforated aeration pipe, a second liquid discharge branch pipe connected with the second perforated aeration pipe and a third liquid discharge branch pipe connected with the third perforated aeration pipe, a seventh switch valve is installed on the first liquid discharge branch pipe, an eighth switch valve is installed on the second liquid discharge branch pipe, and a ninth switch valve is installed on the third liquid discharge branch pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120750473.9U CN214734851U (en) | 2021-04-13 | 2021-04-13 | Rural sewage treatment device with air stripping cleaning aeration structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120750473.9U CN214734851U (en) | 2021-04-13 | 2021-04-13 | Rural sewage treatment device with air stripping cleaning aeration structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214734851U true CN214734851U (en) | 2021-11-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120750473.9U Active CN214734851U (en) | 2021-04-13 | 2021-04-13 | Rural sewage treatment device with air stripping cleaning aeration structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214734851U (en) |
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2021
- 2021-04-13 CN CN202120750473.9U patent/CN214734851U/en active Active
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