CN108046418B - Aerobic internal circulation biological separation reactor - Google Patents
Aerobic internal circulation biological separation reactor Download PDFInfo
- Publication number
- CN108046418B CN108046418B CN201711358973.2A CN201711358973A CN108046418B CN 108046418 B CN108046418 B CN 108046418B CN 201711358973 A CN201711358973 A CN 201711358973A CN 108046418 B CN108046418 B CN 108046418B
- Authority
- CN
- China
- Prior art keywords
- reaction vessel
- zone
- mud
- aeration
- aerobic
- 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.)
- Active
Links
- 238000000926 separation method Methods 0.000 title claims abstract description 18
- 238000006243 chemical reaction Methods 0.000 claims abstract description 55
- 238000005273 aeration Methods 0.000 claims abstract description 40
- 238000004062 sedimentation Methods 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 238000002955 isolation Methods 0.000 claims description 13
- 238000005192 partition Methods 0.000 claims description 7
- 238000005276 aerator Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 2
- 235000017491 Bambusa tulda Nutrition 0.000 claims 2
- 241001330002 Bambuseae Species 0.000 claims 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 2
- 239000011425 bamboo Substances 0.000 claims 2
- 239000010802 sludge Substances 0.000 abstract description 27
- 244000005700 microbiome Species 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 6
- 239000010865 sewage Substances 0.000 abstract description 6
- 230000004060 metabolic process Effects 0.000 abstract description 2
- 238000001556 precipitation Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 12
- 239000002351 wastewater Substances 0.000 description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 238000002306 biochemical method Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010840 domestic wastewater Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000006241 metabolic reaction Methods 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1205—Particular type of activated sludge processes
- C02F3/1221—Particular type of activated sludge processes comprising treatment of the recirculated sludge
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/14—Activated sludge processes using surface aeration
-
- 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
Abstract
The invention provides an aerobic internal circulation biological separation reactor, which directly saves the land by combining an aerobic reaction zone with a sedimentation zone through the arrangement of a baffle plate, and provides a better choice for a sewage treatment station with compact occupied area; the activated sludge circularly moves up and down in the equipment reactor, so that the movement height difference is large, the activity of the active microorganism is larger, and the metabolism is faster; the shallow aeration is adopted, so that the running pressure of the power equipment can be saved, the type selection power of the power equipment is directly reduced, and the energy-saving effect is achieved; the aerobic shallow aeration and inclined tube precipitation are combined simultaneously, so that the quality of the effluent is better; the aerobic internal circulation biological separation reactor has more complete aerobic reaction, prolongs the sludge age and ensures that the water quality of the effluent is clearer.
Description
Technical Field
The invention relates to a sewage treatment device, in particular to an aerobic internal circulation biological separation reactor.
Background
According to the regulations of national environmental protection laws, whether domestic wastewater or industrial wastewater, the wastewater can be discharged into natural water after reaching national standard after being processed. In the process of process selection, the most commonly used is an aerobic biochemical method, and the mature and commonly used aerobic biochemical method nowadays is an activated sludge method, a contact oxidation method, a biological filter method and the like. Most of the methods have the defects of long process flow, large occupied area and unstable effluent quality.
At present, aiming at the activated sludge method, sewage and various microorganism groups are continuously mixed and cultured under the condition of artificial oxygenation to form activated sludge. Biological condensation, adsorption and oxidation of activated sludge are utilized to decompose and remove organic pollutants in sewage. However, in a simple aeration process, sludge deposition needs to be treated, and the deposited activated sludge dies once insufficient oxygen is contacted. Thus not only leading to the waste of active strains, but also not achieving the effect required by sewage treatment.
Disclosure of Invention
In view of the above, the invention provides an aerobic internal circulation biological separation reactor, which prolongs the sludge age and ensures that the effluent quality is clearer.
The technical scheme of the invention is realized as follows: the invention provides an aerobic internal circulation biological separation reactor, which comprises a reaction container, a mud bucket, a water inlet barrel, a mud pipe and an overflow weir, wherein the reaction container is provided with a total mud discharge port, the mud bucket is arranged in the reaction container, the mud pipe is communicated with the mud bucket and extends out of the reaction container, the water inlet barrel penetrates through the reaction container and extends into the reaction container, the aerobic internal circulation biological separation reactor also comprises an aeration head and a partition plate, the partition plate is nested between the reaction container and the mud bucket and divides the internal space of the reaction container into a circulation area and an aeration area, the mud bucket is arranged in the circulation area, the aeration head is arranged in the aeration area, the circulation area and the aeration area are respectively communicated with the top and the bottom of the partition plate, the reaction container is provided with a water outlet weir, and the mud bucket, the overflow weir and the aeration area are sequentially communicated.
On the basis of the technical scheme, preferably, the distance between the aeration head and the top of the reaction vessel is 1-7m.
On the basis of the technical scheme, preferably, the aeration head is a microporous aerator.
On the basis of the technical scheme, preferably, the water inlet cylinder comprises a central steady flow cylinder and a horn mouth, and the horn mouth stretches into the bottom of the mud bucket.
On the basis of the technical scheme, the device preferably further comprises an isolation cylinder and an inclined tube, wherein the isolation cylinder is nested between the partition plate and the reaction container, the top of the isolation cylinder is sealed with the reaction container, an inclined tube sedimentation area with the bottom communicated with the aeration area is formed between the isolation cylinder and the reaction container, the inclined tube is arranged in the inclined tube sedimentation area, and the water outlet weir is arranged above the inclined tube. Further preferably, the reaction vessel comprises a cylindrical bottom, a cylindrical top and a connecting part, the diameter of the cylindrical top is larger than that of the cylindrical bottom, the size of the connecting part is gradually reduced from top to bottom, the upper end and the lower end of the connecting part are respectively connected with the cylindrical top and the cylindrical bottom, the isolation cylinder is arranged opposite to the connecting part, and the water outlet weir is arranged on the cylindrical top.
Compared with the prior art, the aerobic internal circulation biological separation reactor has the following beneficial effects:
(1) By arranging the partition plates, the aerobic reaction zone is combined with the sedimentation zone, so that the area of the use is directly saved, and a better choice is provided for a sewage treatment station with compact occupied area; the activated sludge circularly moves up and down in the equipment reactor, so that the movement height difference is large, the activity of the active microorganism is larger, and the metabolism is faster;
(2) The shallow aeration is adopted, so that the running pressure of the power equipment can be saved, the type selection power of the power equipment is directly reduced, and the energy-saving effect is achieved;
(3) The aerobic shallow aeration and inclined tube precipitation are combined simultaneously, so that the quality of the effluent is better;
(4) The aerobic internal circulation biological separation reactor has more complete aerobic reaction, prolongs the sludge age and ensures that the water quality of the effluent is clearer.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the front view structure of an aerobic internal circulation bioseparation reactor of the present invention;
fig. 2 is a cross-sectional view of fig. 1 A-A.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, are intended to fall within the scope of the present invention.
As shown in fig. 1, in combination with fig. 2, the aerobic internal circulation biological separation reactor of the present invention comprises a reaction vessel 1, a mud bucket 2, a water inlet cylinder 3, a mud pipe 4, an aeration head 5, a partition plate 6, an overflow weir 7, a separation cylinder 8 and an inclined pipe 9.
The reaction vessel 1 provides a reaction and circulation space, and the wall of the reaction vessel is provided with a total sludge discharge port 11 and a water outlet weir 14 which are respectively used for discharging precipitated sludge and upper clean water. Specifically, the total sludge discharge port 11 is provided at the bottom of the reaction vessel 1.
The interior of the mud bucket 2 is used as a primary sedimentation zone and is a first reaction zone through which external inflow water passes. The mud bucket 2 is arranged in the reaction vessel 1, the water inlet barrel 3 penetrates through the reaction vessel 1 and stretches into the reaction vessel 1, and the mud discharge pipe 4 is communicated with the mud bucket 2 and stretches out of the reaction vessel 1. Specifically, the water inlet cylinder 3 comprises a central steady flow cylinder and a bell mouth, and the bell mouth extends into the bottom of the mud bucket 2. The whole mud bucket 2 is similar to a complete suspended matter sedimentation area, a vertical flow sedimentation method is adopted, waste water reaches the bottom of the mud bucket 2 through a central steady flow cylinder and a bell mouth, suspended matters and mud slag with larger self gravity can be settled in the mud bucket, clarified waste water reaches an overflow weir 7 and flows into the next reaction area automatically, and mud slag deposited in the mud bucket 2 is discharged out of the reaction container 1 through a mud discharge pipe 4 at regular intervals.
The baffle 6 is nested between the reaction vessel 1 and the mud bucket 2 and divides the internal space of the reaction vessel 1 into a circulation area 12 and an aeration area 13, the mud bucket 2 is arranged in the circulation area 12, the aeration head 5 is arranged in the aeration area 13, the circulation area 12 and the aeration area 13 are respectively communicated with each other at the top and the bottom of the baffle 6, and the mud bucket 2, the overflow weir 7 and the circulation area 12 are sequentially communicated with each other. Thus, the wastewater treated by the mud bucket 2 enters the aeration zone 13, the oxygen content in the wastewater is greatly improved, and a good aerobic microorganism living environment is provided. Preferably, the aeration head 5 is a microporous aerator, which is characterized by uniform aeration, and other forms of aeration equipment can be selected. Specifically, the aeration head 5 is installed above and in the reaction vessel 1 to reduce the pressure of the gas produced, so this aeration method is also called a shallow aeration method. Specifically, the aeration head 5 is located at a distance of 1-7m from the top of the reaction vessel 1.
The wastewater after aeration circulates between the aeration zone 13 and the circulation zone 12 from top to bottom and then from bottom to top. The aerobic microorganisms continuously run in a sufficient oxygen environment, and the microorganisms continuously metabolize to continuously consume organic matters in the wastewater, so that the effect of purifying water quality is achieved.
In order to improve the sedimentation velocity, the aerobic internal circulation biological separation reactor of the invention is also provided with a secondary sedimentation zone, which comprises an isolation cylinder 8 and an inclined tube 9, wherein the isolation cylinder 8 is nested between the baffle plate 6 and the reaction vessel 1, the top of the isolation cylinder is sealed with the reaction vessel 1, an inclined tube sedimentation zone 15 with the bottom communicated with an aeration zone 13 is formed between the isolation cylinder 8 and the reaction vessel 1, the inclined tube 9 is arranged in the inclined tube sedimentation zone 15, and an effluent weir 14 is arranged above the inclined tube 9. Through continuous metabolic reaction, the microorganisms are continuously killed, dead microorganism clusters enter the inclined tube sedimentation zone along the direction of water flow, the inclined parallel tubes or the parallel pipelines are utilized to divide the inclined parallel tubes or the parallel pipelines into a series of shallow sedimentation layers, and the treated and settled sludge moves in each sedimentation shallow layer and is separated. The inclined tube sedimentation shortens the sedimentation distance of particles, thereby shortening the sedimentation time, effectively improving the treatment efficiency, leading the sedimented sludge to return to the circulating aeration zone 13, leading the activated sludge to continue to run, and leading the dead microbial community to be sedimented at the bottom of the reaction vessel 1 and discharged through the total sludge discharge port 11. Specifically, the reaction vessel 1 includes a cylindrical bottom 16, a cylindrical top 17 and a connecting portion 18, the diameter of the cylindrical top 17 is larger than that of the cylindrical bottom 16, the size of the connecting portion 18 is gradually reduced from top to bottom, the upper end and the lower end of the connecting portion are respectively connected with the cylindrical top 17 and the cylindrical bottom 16, the isolation cylinder 8 is arranged opposite to the connecting portion 18, and the water outlet weir 14 is arranged on the cylindrical top 17.
Finally, the primary sedimentation zone and the inclined tube sedimentation zone are both 15 and can generate deposited sludge, the sludge in the primary sedimentation zone is mainly anaerobic sludge, the sludge generated in the inclined tube sedimentation zone is mainly aerobic sludge, the two types of sludge are respectively discharged out of the reaction vessel 1 without mutual interference, and the total sludge discharge ports 11 are all provided with gate valve control, so that the operation and the use are convenient.
Under the continuous circulation reaction, the final wastewater is purified, flows out through the overflow weir 7 of the inclined tube sedimentation zone 15, and the generated sludge is discharged through the total sludge discharge port 11 independently and is treated comprehensively.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (3)
1. The utility model provides an aerobic internal circulation biological separation reactor, it includes reaction vessel (1), mud bucket (2), feed water section of thick bamboo (3), mud pipe (4) and overflow weir (7), total mud mouth (11) have been seted up on reaction vessel (1), mud bucket (2) set up in reaction vessel (1), mud pipe (4) intercommunication mud bucket (2) and stretch into outside reaction vessel (1), feed water section of thick bamboo (3) pass reaction vessel (1) and stretch into in reaction vessel (1), its characterized in that: the device comprises a reaction vessel (1), a mud bucket (2), a circulating zone (12) and an aeration zone (13), wherein the inner space of the reaction vessel (1) is divided into the circulating zone (12) and the aeration zone (13) by the nesting of the separation plate (6) between the reaction vessel (1) and the mud bucket (2), the mud bucket (2) is arranged in the circulating zone (12), the aeration head (5) is arranged in the aeration zone (13), the reaction vessel (1) comprises a cylindrical bottom (16), a cylindrical top (17) and a connecting part (18), the diameter of the cylindrical top (17) is larger than that of the cylindrical bottom (16), the size of the connecting part (18) is gradually reduced from top to bottom, the upper end and the lower end are respectively connected with the cylindrical top (17) and the cylindrical bottom (16), the separation cylinder (8) is opposite to the connecting part (18), the aeration head (5) is arranged above the reaction vessel (1), the circulating zone (12) and the aeration zone (13) are respectively communicated with each other at the top and the bottom of the separation plate (6), the mud bucket (2), the overflow weir (7) and the zone (13) are sequentially communicated with the cylindrical bottom (16), and the mud is arranged at the bottom (11) for discharging mud; the water inlet cylinder (3) comprises a central steady flow cylinder and a bell mouth, and the bell mouth extends into the bottom of the mud bucket (2); the aerobic internal circulation biological separation reactor further comprises an isolation cylinder (8) and an inclined tube (9), wherein the isolation cylinder (8) is nested between the partition plate (6) and the reaction container (1), an inclined tube sedimentation zone (15) with the bottom communicated with the aeration zone (13) is formed between the isolation cylinder (8) and the reaction container (1), the inclined tube (9) is arranged in the inclined tube sedimentation zone (15), and the water outlet weir (14) is arranged above the inclined tube (9).
2. The aerobic internal circulation bioseparation reactor of claim 1, wherein: the distance between the aeration head (5) and the top of the reaction vessel (1) is 1-7m.
3. The aerobic internal circulation bioseparation reactor of claim 1, wherein: the aeration head (5) is a microporous aerator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711358973.2A CN108046418B (en) | 2017-12-17 | 2017-12-17 | Aerobic internal circulation biological separation reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711358973.2A CN108046418B (en) | 2017-12-17 | 2017-12-17 | Aerobic internal circulation biological separation reactor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108046418A CN108046418A (en) | 2018-05-18 |
| CN108046418B true CN108046418B (en) | 2024-03-26 |
Family
ID=62133467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711358973.2A Active CN108046418B (en) | 2017-12-17 | 2017-12-17 | Aerobic internal circulation biological separation reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108046418B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113968621B (en) * | 2021-06-25 | 2023-09-12 | 北京绿恒科技有限公司 | Self-circulation continuous flow aerobic granular sludge purifying treatment device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02122891A (en) * | 1988-11-01 | 1990-05-10 | Shimizu Corp | Aerobic waste water treatment equipment |
| CN1521131A (en) * | 2003-02-13 | 2004-08-18 | �Ϻ���Դ�����Ƽ���������˾ | Biochemical reactor for treating sewage |
| CN102173510A (en) * | 2011-03-03 | 2011-09-07 | 浙江工商大学 | Sludge reflow-free device with simultaneous nitrification and denitrification (SND) function and operation control method thereof |
| CN102815784A (en) * | 2012-08-29 | 2012-12-12 | 深圳清华大学研究院 | Aerobic three-phase separator and application method thereof in sewage treatment |
| CN102923858A (en) * | 2012-11-28 | 2013-02-13 | 哈尔滨工业大学 | Negative-pressure internal circulation reactor and method for treating sewage by utilizing reactor |
| CN103043870A (en) * | 2013-01-15 | 2013-04-17 | 广东顺德弘顺达环保产业技术投资有限公司 | Novel automatic-reflux biological sewage processor |
| CN105152477A (en) * | 2015-09-08 | 2015-12-16 | 常州大学 | Rice winery wastewater treatment system |
| CN207684971U (en) * | 2017-12-17 | 2018-08-03 | 武汉水博环保科技有限公司 | Aerobic inner circulation bio-separation reactor |
-
2017
- 2017-12-17 CN CN201711358973.2A patent/CN108046418B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02122891A (en) * | 1988-11-01 | 1990-05-10 | Shimizu Corp | Aerobic waste water treatment equipment |
| CN1521131A (en) * | 2003-02-13 | 2004-08-18 | �Ϻ���Դ�����Ƽ���������˾ | Biochemical reactor for treating sewage |
| CN102173510A (en) * | 2011-03-03 | 2011-09-07 | 浙江工商大学 | Sludge reflow-free device with simultaneous nitrification and denitrification (SND) function and operation control method thereof |
| CN102815784A (en) * | 2012-08-29 | 2012-12-12 | 深圳清华大学研究院 | Aerobic three-phase separator and application method thereof in sewage treatment |
| CN102923858A (en) * | 2012-11-28 | 2013-02-13 | 哈尔滨工业大学 | Negative-pressure internal circulation reactor and method for treating sewage by utilizing reactor |
| CN103043870A (en) * | 2013-01-15 | 2013-04-17 | 广东顺德弘顺达环保产业技术投资有限公司 | Novel automatic-reflux biological sewage processor |
| CN105152477A (en) * | 2015-09-08 | 2015-12-16 | 常州大学 | Rice winery wastewater treatment system |
| CN207684971U (en) * | 2017-12-17 | 2018-08-03 | 武汉水博环保科技有限公司 | Aerobic inner circulation bio-separation reactor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108046418A (en) | 2018-05-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104045156B (en) | Integrated high-efficiency self-supported denitrification reactor | |
| CN201268652Y (en) | Integral sewage treating device | |
| CN102225803A (en) | Biomembrane reactor, waste water treating system and method for treating waste water | |
| CN207684971U (en) | Aerobic inner circulation bio-separation reactor | |
| CN101054234B (en) | Upflow type anaerobic reactor | |
| CN108046418B (en) | Aerobic internal circulation biological separation reactor | |
| CN203238141U (en) | Sewage biological treatment membrane filtration system | |
| CN201056518Y (en) | Three-phase separator of upflow type anaerobic reactor | |
| CN105417862A (en) | Wastewater treatment system | |
| CN206457371U (en) | Integral type multi-stage sewage treatment device | |
| CN207062112U (en) | Microbial cleaning sewage-treatment plant | |
| CN106116015B (en) | Rotational flow mixed wastewater treatment aerobic reactor | |
| CN201250161Y (en) | Micro-power integrated domestic sewage purifying device | |
| CN201056519Y (en) | Three-phase separator of upflow type anaerobic reactor | |
| CN210261288U (en) | Micro-heavy bed biochemical treatment device | |
| CN210215073U (en) | Sewage treatment system | |
| CN209890436U (en) | Integrated stabilization pond equipment for treating dispersive sewage | |
| CN103922550B (en) | Upward flow combined type secondary biological film sewage treatment integrated equipment | |
| CN102689984B (en) | Improved anaerobic baffle plate biological sewage treatment equipment | |
| CN207903981U (en) | A kind of efficient up-flow biological reaction apparatus | |
| CN201850177U (en) | Vortex flow, laminar flow and pulse flow type anaerobic bioreactor | |
| CN205953661U (en) | Integration column type high -concentration organic wastewater treatment ware | |
| CN206089186U (en) | Sewage treatment stove | |
| CN110668568A (en) | Multifunctional partitioned denitrification integrated method and equipment | |
| CN215592876U (en) | High-efficient integrated aerobic biochemical precipitation treatment system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |