CN211198725U - Internal reflux device for sewage treatment - Google Patents
Internal reflux device for sewage treatment Download PDFInfo
- Publication number
- CN211198725U CN211198725U CN201921835158.5U CN201921835158U CN211198725U CN 211198725 U CN211198725 U CN 211198725U CN 201921835158 U CN201921835158 U CN 201921835158U CN 211198725 U CN211198725 U CN 211198725U
- Authority
- CN
- China
- Prior art keywords
- sewage treatment
- filler
- reflux
- wall
- treatment tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000010865 sewage Substances 0.000 title claims abstract description 55
- 238000010992 reflux Methods 0.000 title claims abstract description 37
- 239000000945 filler Substances 0.000 claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 238000007664 blowing Methods 0.000 claims abstract description 18
- 238000005273 aeration Methods 0.000 claims description 26
- 239000011148 porous material Substances 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims 2
- 238000004062 sedimentation Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 5
- 238000012856 packing Methods 0.000 description 3
- 241000589651 Zoogloea Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002306 biochemical method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Biological Treatment Of Waste Water (AREA)
Abstract
The utility model provides a reflux unit in sewage treatment, including the sewage treatment pond, be equipped with the inlet tube on one side lateral wall upper portion in the sewage treatment pond, be equipped with the treated water export on the sewage treatment pond inner wall with the inlet tube opposite side, install filler reflux splitter in the treated water exit, filler reflux splitter includes the box body, and the gas blow pipe that distributes about having a plurality of layers to be in the lower part of box body is equipped with the bush in filler reflux splitter's outside cover, the bottom of bush is equipped with the baffle to sewage treatment pond inner wall slope, form a water flow opening between baffle and the sewage treatment pond inner wall. The utility model discloses simple structure, the input cost is few, and the treatment effeciency is high. The filler reflux separator arranged at the treated water outlet is utilized to fully separate water from the filler, so that the loss of the filler is prevented; the flow direction of the filler entering the bushing is changed by using the air blowing pipe arranged at the lower part of the filler reflux separator, so that the sedimentation and the reflux of the filler are facilitated.
Description
Technical Field
The utility model relates to a sewage treatment technical field, more specifically say, relate to a reflux unit in sewage treatment.
Background
With the development of social economy, environmental problems are increasingly prominent, and especially the treatment capacity of industrial and urban sewage is increasingly large. The conventional sewage treatment method mainly adopts a biochemical method, namely an activated sludge method and a biofilm method, and the two methods need to be provided with corresponding sedimentation tanks and reflux equipment to prevent the loss of activated sludge or biological fillers. The existing reflux devices are mainly of two types: one type is a reflux device formed by utilizing a lift pump, the device has high operating efficiency, but has high cost and low utilization rate, and is easy to damage the structure of a zoogloea, and the lift pump needs frequent maintenance and overhaul. The other type is a gas stripping type reflux device, high-pressure gas is used for driving gas in the environment to generate negative pressure, and although the device has low operation cost and cannot damage the mechanism of the zoogloea, the flow is small and the operation efficiency is low; in addition, high-pressure gas is utilized to generate negative pressure, and the generated negative pressure is not high due to the limitation of a sewage discharge pipeline, so that the suction lift and the lift of the device are small, and the device is not applicable to a sewage treatment system with a large depth of a tank body.
Disclosure of Invention
The utility model aims to solve the technical problem that to prior art not enough, provide a simple structure, with low costs, efficient sewage treatment internal reflux device, concrete scheme is as follows:
the utility model relates to a reflux unit in sewage treatment, its characteristics are: comprises a sewage treatment tank, a water inlet pipe is arranged on the upper part of the side wall of one side of the sewage treatment tank, a water inlet of the water inlet pipe is arranged on the lower part of the sewage treatment tank, a treated water outlet is arranged on the inner wall of the sewage treatment tank on the opposite side of the water inlet pipe, a filler reflux separator is arranged at the treated water outlet, the filler reflux separator comprises a box body fixedly connected with the inner wall of the sewage treatment tank, a plurality of filter sieve pores are arranged on the box body, a plurality of layers of blowing pipes which are distributed up and down are wound on the lower part of the box body, a plurality of blowing inclined holes which can prevent fillers from entering the box body are arranged on each blowing pipe, the included angle between each blowing inclined hole and the horizontal plane is set to be 0-90 degrees, a bushing which can prevent filler disturbance is sleeved outside the filler reflux separator, a baffle is arranged at the bottom of the, and an outlet flow port is formed between the outlet flow port and the inner wall of the sewage treatment tank.
The technical problem to be solved by the utility model can be further realized by the following technical proposal, and a plurality of aeration pipes are laid at the bottom of the sewage treatment tank.
The technical problem to be solved by the utility model can be further realized by the following technical scheme, the aeration pipe is provided with a plurality of aeration nozzles, and the aeration nozzles are distributed along the length direction of the aeration pipe.
The technical problem to be solved by the utility model can be further realized by the following technical scheme, and the aeration spray heads are arranged at equal intervals.
The technical problem to be solved by the utility model can be further realized by the following technical proposal, and the included angle between the baffle and the side wall of the sewage treatment tank is set to be 30-60 degrees.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, filter the sieve mesh and set up to the bar hole.
Compared with the prior art, the beneficial effects of the utility model are that: the whole structure is simple, the input cost is low, and the treatment efficiency is high. The baffle arranged at the bottom of the lining is utilized to enable the gas generated by the aeration pipe to be blocked outside the lining, so that the filler in the lining is prevented from being disturbed by the gas, and the sedimentation and backflow of the filler are facilitated; the filler reflux separator arranged at the treated water outlet is utilized to fully separate water from the filler, so that the loss of the filler is prevented; the air blowing pipe arranged at the lower part of the filler reflux separator is used for changing the flow direction of the filler entering the lining, so that the loss of the filler is prevented, and the filler is favorably precipitated.
Drawings
In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings required in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic diagram of a side view of a packed material reflux separator.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 and 2, the internal reflux device for sewage treatment provided by this embodiment includes a sewage treatment tank 7, a plurality of aeration pipes 6 are laid at the bottom of the sewage treatment tank, the aeration pipes are laid side by side and uniformly at the bottom of the sewage treatment tank, a water inlet pipe 8 is arranged at the upper portion of one side wall of the sewage treatment tank, a water inlet of the water inlet pipe is arranged at the lower portion of the sewage treatment tank, a treated water outlet 2 is arranged on the inner wall of the sewage treatment tank opposite to the water inlet pipe, a filler reflux separator 1 is installed at the treated water outlet, the filler reflux separator includes a box body fixedly connected with the inner wall of the sewage treatment tank, the box body can be made of stainless steel, a plurality of filter sieve holes 9 are opened on the box body, a plurality of layers of blowing pipes 10 distributed up and down are wound at the lower portion of the box body, the effect of the blowing pipes is optimized by setting 1-2 circles, a plurality of blowing inclined holes, the air blowing inclined hole is arranged at an included angle of 0-90 degrees with the horizontal plane, the included angle is set to be 45 degrees, the flow direction of filler entering the lining can be changed more effectively, the lining 3 for preventing filler disturbance is sleeved outside the filler reflux separator, the lining is completely sealed, water and filler entering the lining can be prevented from permeating out, the bottom of the lining is provided with a baffle 4 for preventing aeration pipe gas from entering the lining, the lower end of the baffle inclines towards the inner wall close to the sewage treatment tank, and an outlet flow port is formed between the baffle and the inner wall of the sewage treatment tank. An aeration air pump is arranged outside the sewage treatment tank and supplies air for an aeration pipe and an air blowing pipe. The fluidized bed packing is granular packing which is suspended in the treatment tank, and the particle diameter of the granular packing is between 1mm and 10 mm.
When sewage enters the sewage treatment tank 7 from the water inlet pipe, aerobic aeration treatment or anaerobic non-aeration treatment is performed according to the composition of the sewage, and then the sewage is discharged from the treated water outlet 2. In the discharging process, gas and part of the filler can be blocked outside the lining 3 by the baffle 4 arranged at the bottom of the lining 3, the filler in the lining 3 is prevented from being disturbed by the gas, meanwhile, the filler reflux separator 1 enables the water to be fully separated from the filler, and the air blowing pipe 10 arranged at the lower part of the filler reflux separator 1 changes the flow direction of the filler entering the lining 3 by blowing air through the air blowing inclined hole 11, so that the loss of the filler is prevented, and the sedimentation and the reflux of the filler are realized.
The aeration pipe 6 is provided with a plurality of aeration nozzles 5, and the aeration nozzles 5 are distributed along the length direction of the aeration pipe. The aeration nozzles 5 are arranged at equal intervals. The included angle between the baffle 4 and the side wall of the sewage treatment tank is set to be 30-60 degrees and set to be 45 degrees, so that the gas of the aeration pipe can be effectively prevented from entering the lining. Filter sieve mesh 9 and set up to the bar hole, also can set up to the circular port, the bar hole is more difficult to be blockked up.
Claims (6)
1. The utility model provides a reflux unit in sewage treatment which characterized in that: comprises a sewage treatment tank (7), a water inlet pipe (8) is arranged on the upper part of the side wall of one side of the sewage treatment tank, a water inlet of the water inlet pipe is arranged on the lower part of the sewage treatment tank, a treated water outlet (2) is arranged on the inner wall of the sewage treatment tank on the opposite side of the water inlet pipe, a filler reflux separator (1) is arranged at the treated water outlet, the filler reflux separator comprises a box body fixedly connected with the inner wall of the sewage treatment tank, a plurality of filtering sieve pores (9) are arranged on the box body, a plurality of layers of blowing pipes (10) which are distributed up and down are wound on the lower part of the box body, a plurality of blowing inclined holes (11) capable of preventing fillers from entering the box body are arranged on each blowing pipe, the included angle between each blowing inclined hole and the horizontal plane is set to be 0-90 degrees, a bushing (3) for preventing fillers from, the lower extreme of baffle inclines to the inner wall side that is close to the sewage treatment pond, and forms a water outlet circulation mouth between and the sewage treatment pond inner wall.
2. The internal reflux device for sewage treatment according to claim 1, wherein: a plurality of aeration pipes (6) are laid at the bottom of the sewage treatment tank.
3. The internal reflux device for sewage treatment according to claim 2, wherein: the aeration pipe (6) is provided with a plurality of aeration nozzles (5), and the aeration nozzles (5) are distributed along the length direction of the aeration pipe.
4. The internal reflux device for sewage treatment according to claim 3, wherein: the aeration nozzles (5) are arranged at equal intervals.
5. The internal reflux device for sewage treatment according to claim 1, wherein: the included angle between the baffle (4) and the side wall of the sewage treatment tank is set to be 30-60 degrees.
6. The internal reflux device for sewage treatment according to claim 1, wherein: the filtering sieve pores (9) are arranged into strip-shaped pores.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921835158.5U CN211198725U (en) | 2019-10-29 | 2019-10-29 | Internal reflux device for sewage treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921835158.5U CN211198725U (en) | 2019-10-29 | 2019-10-29 | Internal reflux device for sewage treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211198725U true CN211198725U (en) | 2020-08-07 |
Family
ID=71860551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921835158.5U Expired - Fee Related CN211198725U (en) | 2019-10-29 | 2019-10-29 | Internal reflux device for sewage treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211198725U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113321315A (en) * | 2021-02-01 | 2021-08-31 | 北京正和恒基滨水生态环境治理股份有限公司 | Constructed wetland filler bed body |
-
2019
- 2019-10-29 CN CN201921835158.5U patent/CN211198725U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113321315A (en) * | 2021-02-01 | 2021-08-31 | 北京正和恒基滨水生态环境治理股份有限公司 | Constructed wetland filler bed body |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200807 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |