CN209619125U - Magnetic-coagulation clarification and denitrification filter pool combined type sewage treatment equipment - Google Patents
Magnetic-coagulation clarification and denitrification filter pool combined type sewage treatment equipment Download PDFInfo
- Publication number
- CN209619125U CN209619125U CN201920029262.9U CN201920029262U CN209619125U CN 209619125 U CN209619125 U CN 209619125U CN 201920029262 U CN201920029262 U CN 201920029262U CN 209619125 U CN209619125 U CN 209619125U
- Authority
- CN
- China
- Prior art keywords
- denitrification filter
- filter pool
- zone
- magnetic
- sewage treatment
- 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
- 239000010865 sewage Substances 0.000 title claims abstract description 31
- 238000005352 clarification Methods 0.000 title claims abstract description 17
- 238000005345 coagulation Methods 0.000 title claims abstract description 17
- 238000012545 processing Methods 0.000 claims abstract description 50
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000006247 magnetic powder Substances 0.000 claims abstract description 28
- 238000005189 flocculation Methods 0.000 claims abstract description 22
- 230000016615 flocculation Effects 0.000 claims abstract description 22
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 16
- 239000002351 wastewater Substances 0.000 claims abstract description 9
- 239000000701 coagulant Substances 0.000 claims abstract description 5
- 238000004891 communication Methods 0.000 claims abstract description 5
- 239000010802 sludge Substances 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 12
- 239000002699 waste material Substances 0.000 claims description 9
- 239000006004 Quartz sand Substances 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 238000013459 approach Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 238000013461 design Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- 238000004062 sedimentation Methods 0.000 description 3
- 238000005273 aeration Methods 0.000 description 2
- 239000000084 colloidal system Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- 101100100125 Mus musculus Traip gene Proteins 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000002306 biochemical method Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000010841 municipal wastewater Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- -1 suspended matter Substances 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Landscapes
- Water Treatment By Electricity Or Magnetism (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The utility model discloses a kind of clarifications of magnetic-coagulation and denitrification filter pool combined type sewage treatment equipment, positioned at the end of waste water processes, including the first processing units and the second processing unit being arranged according to upstream and downstream sequence, first processing units include the mixed zone for the dosing coagulant being arranged according to upstream and downstream sequence, add flocculation zone and settling zone that the magnetic powder of magnetic powder adds area, adds flocculant；Mixed zone, magnetic powder, which add, to be separated between area and flocculation zone with overflow plate, in the middle part of the bottom side open communication to the side of settling zone of flocculation zone；The second processing unit includes the denitrification filter pool of upstream side, and the upstream of denitrification filter pool is connected to the downstream of settling zone, the downstream connection backwash clear water reserviors of denitrification filter pool.The beneficial effects of the utility model are: may be provided at the rear of traditional wastewater processing unit, to treated that water carries out further dephosphorization denitrogenates processing by traditional approach, reaches higher discharge standard, meet higher emission request.
Description
Technical field
The utility model relates to water-treatment technology field, specifically a kind of magnetic-coagulation clarification and denitrification filter pool combined type are dirty
Water treatment facilities generally can be applicable in municipal wastewater treatment process.
Background technique
Water resource is most important resource for the survival of mankind, however as increasing for China's expanding economy and population,
The aggravation of water pollution, the contradiction between water and people is more prominent, how preferably to be had become using water resource, water conservation
One of our urgent problems to be solved.Sewage treatment plant as sewage treatment most important facility increasingly by the pass of people
Note, the effect for giving full play to sewage treatment plant just can effectively reduce the pressure of water environment, realize resource environment sustainable development.
Common sewage treatment process such as Chinese patent literature CN207943922U is disclosed on October 9th, 2018 " based on AB work
The sewage disposal system of skill realization energy regenerating ", comprising: section aeration tank grid, setting pot, A, sedimentation basin, anaerobic pond, anoxic
Pond, aerobic tank, the second sedimentation basin, sludge thicking dewatering equipment, sludge digesting unit and biogas storage tank, each pond body connect by the road
At the processing system for being able to achieve AB technique.The processing system is by being arranged the grid of organic linking, setting pot, A sections of aeration tanks, sinking
Shallow lake pond, anaerobic pond, anoxic pond, aerobic tank, the second sedimentation basin, sludge thicking dewatering equipment, sludge digesting unit and biogas storage tank,
Optimal improvements B segment process realizes that the sludge generated while sewage denitrification and dephosphorization to two sections of biochemical methods is concentrated, be dehydrated, detested
Oxygen digestion realizes that the maximization of energy recycles, reduces the energy consumption of sewage treatment plant, realize sewage treatment plant's energy-saving and emission-reduction
Consumption reduction.Currently, the execution standard of water process discharge is by original " urban wastewater treatment firm pollutant emission standard " GB18918-
Level-one B standard in 2002 is promoted to level-one A or higher standard, and the municipal sewage plant of aforementioned conventional is due to design original
Cause, original processing unit have been unable to satisfy higher discharge standard.If pushing over existing utility to build again, it is clear that in economy
Cost and demand is unable to satisfy on the construction period.It is necessary to install corresponding processing module additional on original sewage treatment unit, with
Promote processing capacity and treatment effect.
Summary of the invention
In order to overcome the above technical problems, the utility model provides a kind of clarification of magnetic-coagulation and denitrification filter pool combined type
Sewage-treatment plant may be provided at the rear of traditional wastewater processing unit, to by traditional approach, treated that water is carried out into one
The dephosphorization of step denitrogenates processing, reaches higher discharge standard, meets higher emission request.
In order to realize goal of the invention, the utility model adopts the following technical solution: a kind of clarification of magnetic-coagulation is filtered with denitrification
Pond combined type sewage treatment equipment, positioned at the end of waste water processes, the first processing including being arranged according to upstream and downstream sequence is single
Member and the second processing unit, first processing units include the mixed zone for the dosing coagulant being arranged according to upstream and downstream sequence, add magnetic
The flocculation zone and settling zone that the magnetic powder of powder adds area, adds flocculant；Mixed zone, magnetic powder add between area and flocculation zone with overflow
Plate separates, in the middle part of the bottom side open communication to the side of settling zone of flocculation zone；The second processing unit includes the anti-of upstream side
Filter tank is nitrified, the upstream of denitrification filter pool is connected to the downstream of settling zone, the downstream connection backwash clear water reserviors of denitrification filter pool.
Magnetic-coagulation clarification and the denitrification filter pool combined type sewage treatment equipment of this programme design, are mostly installed at sewage
The end of the existing processing links of factory is managed, sewage so far has been completed almost all of processing step, only after the processing of preceding road
Nitrogen, phosphorus processing on it is not yet up to standard.The present apparatus includes former and later two processing units, and first processing units are that magnetic-coagulation clarification is single
Member, mainly for processing phosphorus is exceeded, the second processing unit is denitrification processing unit, mainly for processing nitrogen is exceeded.This programme
First processing units successively include that mixed zone, magnetic powder add area, flocculation zone and settling zone from upstream to downstream, wherein mixed zone
Dosing coagulant sharply, adequately mixes with the substances such as suspended matter, colloid generation in raw water, makes elimination of colloid stability and form wadding body.
Magnetic powder adds and adds magnetic powder in area, while high concentration sludge backflow being cooperated to form sludge trapping layer, increases wadding body specific gravity and promotes it
Rapid precipitation.Flocculant is added in flocculation zone, the tiny wadding body contact-impact for generating mixed process forms biggish wadding body
Grain.It handles water in settling zone to flow from bottom to top, wadding body is precipitated downwards by gravity, interferes mutually, does in precipitation process
It disturbs, forms an entirety and precipitate downwards, form clearly solid liquid interface between primary water, realize mud-water separation, primary water is logical
Cross the overflow weir overflow water outlet of pond top.Sewage removes most of phosphorus, suspended matter and partial organic substances by first processing units.The
The upstream of two processing units is denitrification filter pool, and the upstream of denitrification filter pool is connected to the downstream of settling zone, denitrification filter pool
Downstream connection backwash clear water reserviors.Denitrification filter pool unit is the processing unit for collecting biological denitrificaion and filtering function and being combined into one, can
Remove SS, TN.By the processing of denitrification filter pool unit, the nitrogen index of sewage is also up to standard, can be arranged safely by backwash clear water reserviors
It puts.Wherein, the mixed zone of first processing units, magnetic powder, which add, is separated between area and flocculation zone with overflow plate, the bottom of flocculation zone
In the middle part of side open communication to the side of settling zone, such design can be such that the water containing floc particle realizes in settling zone
Effectively upper lower leaf.
Preferably, the bottom of settling zone is equipped with sludge collecting region, sludge collecting region is connected to by pipeline, valve and pump
Magnetic powder adds area.Floc particle is gradually precipitated to the sludge collecting region of bottom after entering settling zone, these sludge and magnetic powder
Mixture can be collected, and after being separated magnetic powder with sludge by necessary means, magnetic powder is added to magnetic powder again and adds
In area, sludge centrally disposes after then collecting.Such design can reduce the loss of magnetic powder, reduce processing cost.
Preferably, mixed zone, magnetic powder add area, are equipped with blender in flocculation zone.Blender can increase water body and disturb
It is dynamic, accelerate reaction speed, improves treatment effeciency.
Preferably, being equipped with mud scraper in settling zone.The sludge gathering speed of settling zone bottom can be improved in mud scraper.
Preferably, the downstream of denitrification filter pool is also connected with backwash waste pond, backwash waste pond by pipeline, valve and
Pump is connected to the front end of waste water processes.Backwash waste pond can be used for storing backwash waste, and come back to front-end processing
System realizes the zero-emission of whole system.
Preferably, be provided with filter material layer in denitrification filter pool, the filter material layer be the quartz sand that partial size is 2 ~ 4mm and/
Or partial size is the natural cobblestone of 8 ~ 40mm.The quartz sand and/or natural cobblestone for selecting appropriate particle size do filtrate, material cost
It is low, easy cleaning.
Preferably, denitrification filter pool is provided with the backwash module backwashed to filter material layer.It is logical to backwash module
Piping is passed through clear water and/or compressed air, is rinsed to filter material layer, removes the solids of retention, keeps filter material layer again extensive
Multiple optimal filter effect.Clear water can come from backwash clear water reserviors, and compressed air can come from compressor, then be equipped with necessary
The facilities such as pipeline, pump, rinse jet can be specifically arranged on demand by those skilled in the art.
In conclusion the beneficial effects of the utility model are: may be provided at the rear of traditional wastewater processing unit, to process
Traditional approach treated water carries out further dephosphorization and denitrogenates processing, reaches higher discharge standard, meets higher discharge
It is required that.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Wherein: 1 first processing units, 2 two processing units, 11 mixed zones, 12 magnetic powders add area, 13 flocculation zones, 14 precipitatings
Area, 21 denitrification filter pools, 22 backwash clear water reserviors, 23 backwash waste ponds, 141 sludge collecting regions, 142 mud scrapers, 211 filter material layers；
Direction shown in arrow is water body flow direction.
Specific embodiment
The utility model is further described with specific embodiment with reference to the accompanying drawing.
Embodiment is a kind of clarification of magnetic-coagulation and denitrification filter pool combined type sewage treatment equipment, is applied in certain sewage treatment
The sewage treatment process end of factory.As shown in Figure 1, the magnetic-coagulation clarification of this example is filled with the processing of denitrification filter pool combined-type sewage
It sets, including the first processing units 1 and the second processing unit 2 being arranged according to upstream and downstream sequence.First processing units include according to upper and lower
The mixed zone 11 of the dosing coagulant of trip sequence setting adds the flocculation zone 13 that the magnetic powder of magnetic powder adds area 12, adds flocculant
With settling zone 14.The second processing unit includes the denitrification filter pool 21 of upstream side, and the upstream of denitrification filter pool is connected to settling zone
Downstream, the downstream connection backwash clear water reserviors 22 of denitrification filter pool and backwash waste pond 23.
Mixed zone, magnetic powder, which add, to be separated between area and flocculation zone with overflow plate, and the bottom side open communication of flocculation zone is extremely
In the middle part of the side of settling zone.Mixed zone, magnetic powder add area, are equipped with blender in flocculation zone.It is equipped with mud scraper in settling zone, sinks
The bottom in shallow lake area is equipped with sludge collecting region 141.The floc particle of flocculation zone is deposited in sludge collecting region, by pipeline, valve and
Pump is connected to separation equipment, and the magnetic powder isolated adds area in magnetic powder again and comes into operation.
Filter material layer 211 is provided in denitrification filter pool, the filter material layer internal layer of this example is the quartz sand that partial size is 2 ~ 4mm, outside
Layer is the natural cobblestone that diameter is 8 ~ 40mm.Before backwash waste pond is connected to waste water processes by pipeline, valve and pump
End the processing equipment to front end can carry out necessary flushing in due course.Denitrification filter pool setting backwash module, backwashes module packet
Include pipeline, water pump, air pump and rinse jet.Water source is derived from backwash clear water reserviors, and gas source is provided by air compressor machine.
Water quality comparison before the processing of the present embodiment is as follows:
| Project name | CODcr(mg/L) | BOD5(mg/L) | SS(mg/L) | NH3-N(mg/L) | TN(mg/L) | TP(mg/L) | pH | Coloration |
| Water inlet | ≤380 | ≤140 | ≤260 | ≤35 | ≤50 | ≤4 | 6~9 | 50 |
The present embodiment treated Water quality comparison is as follows:
| Project name | CODcr (mg/L) | BOD5(mg/L) | SS(mg/L) | NH3-N(mg/L) | TN(mg/L) | TP(mg/L) | pH |
| Quasi- IV class of surface water water outlet | ≤30 | ≤6 | ≤5 | ≤ 1.5(2.5) * | ≤ 12(15) * | ≤0.3 | 6~9 |
* numerical value is to limit to discharge in 31 days March next year annual December 1 in bracket.
Claims (7)
1. a kind of magnetic-coagulation clarification and denitrification filter pool combined type sewage treatment equipment, positioned at the end of waste water processes, packet
Include the first processing units (1) and the second processing unit (2) being arranged according to upstream and downstream sequence, characterized in that first processing units packet
The mixed zone (11) for including the dosing coagulant according to the setting of upstream and downstream sequence, the magnetic powder for adding magnetic powder add area (12), add flocculation
The flocculation zone (13) of agent and settling zone (14)；Mixed zone, magnetic powder, which add, to be separated between area and flocculation zone with overflow plate, flocculation zone
In the middle part of bottom side open communication to the side of settling zone；The second processing unit includes the denitrification filter pool (21) of upstream side, instead
The upstream in nitrification filter tank is connected to the downstream of settling zone, the downstream connection backwash clear water reserviors (22) of denitrification filter pool.
2. a kind of magnetic-coagulation clarification according to claim 1 and denitrification filter pool combined type sewage treatment equipment, feature
It is that the bottom of settling zone is equipped with sludge collecting region (141), and sludge collecting region is connected to magnetic powder by pipeline, valve and pump and adds
Area.
3. a kind of magnetic-coagulation clarification according to claim 1 or 2 and denitrification filter pool combined type sewage treatment equipment, special
Sign is, mixed zone, magnetic powder add area, are equipped with blender in flocculation zone.
4. a kind of magnetic-coagulation clarification according to claim 1 or 2 and denitrification filter pool combined type sewage treatment equipment, special
Sign is to be equipped with mud scraper (142) in settling zone.
5. a kind of magnetic-coagulation clarification according to claim 1 or 2 and denitrification filter pool combined type sewage treatment equipment, special
Sign is that the downstream of denitrification filter pool is also connected with backwash waste pond (23), and backwash waste pond is connected to by pipeline, valve and pump
The front end of waste water processes.
6. a kind of magnetic-coagulation clarification according to claim 1 or 2 and denitrification filter pool combined type sewage treatment equipment, special
Sign is that filter material layer (211) are provided in denitrification filter pool, and the filter material layer is the quartz sand that partial size is 2 ~ 4mm and/or partial size is
The natural cobblestone of 8 ~ 40mm.
7. a kind of magnetic-coagulation clarification according to claim 6 and denitrification filter pool combined type sewage treatment equipment, feature
It is that denitrification filter pool is provided with the backwash module backwashed to filter material layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920029262.9U CN209619125U (en) | 2019-01-08 | 2019-01-08 | Magnetic-coagulation clarification and denitrification filter pool combined type sewage treatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920029262.9U CN209619125U (en) | 2019-01-08 | 2019-01-08 | Magnetic-coagulation clarification and denitrification filter pool combined type sewage treatment equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209619125U true CN209619125U (en) | 2019-11-12 |
Family
ID=68449136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920029262.9U Active CN209619125U (en) | 2019-01-08 | 2019-01-08 | Magnetic-coagulation clarification and denitrification filter pool combined type sewage treatment equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209619125U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111170591A (en) * | 2020-03-03 | 2020-05-19 | 安徽绿衡环保科技有限公司 | Complete device for solving blockage and hardening of biological filter and matched system thereof and treatment process thereof |
| CN112960404A (en) * | 2021-02-06 | 2021-06-15 | 坎布里奇环保科技(北京)有限公司 | Automatic magnetic powder adding system |
| CN114249496A (en) * | 2021-12-21 | 2022-03-29 | 西安聚光环保科技有限公司 | Sewage treatment system and method |
| CN114873703A (en) * | 2022-06-18 | 2022-08-09 | 四川达沃斯生态环保科技股份有限公司 | Sewage coagulation stirring device, sewage denitrification and dephosphorization system and sewage denitrification and dephosphorization treatment process |
-
2019
- 2019-01-08 CN CN201920029262.9U patent/CN209619125U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111170591A (en) * | 2020-03-03 | 2020-05-19 | 安徽绿衡环保科技有限公司 | Complete device for solving blockage and hardening of biological filter and matched system thereof and treatment process thereof |
| CN112960404A (en) * | 2021-02-06 | 2021-06-15 | 坎布里奇环保科技(北京)有限公司 | Automatic magnetic powder adding system |
| CN114249496A (en) * | 2021-12-21 | 2022-03-29 | 西安聚光环保科技有限公司 | Sewage treatment system and method |
| CN114873703A (en) * | 2022-06-18 | 2022-08-09 | 四川达沃斯生态环保科技股份有限公司 | Sewage coagulation stirring device, sewage denitrification and dephosphorization system and sewage denitrification and dephosphorization treatment process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209619125U (en) | Magnetic-coagulation clarification and denitrification filter pool combined type sewage treatment equipment | |
| CN109264932A (en) | A kind of process for town sewage treatment of the quasi- four class water of earth's surface up to standard | |
| CN103819049B (en) | A kind of sewage water treatment method and system | |
| CN101746931B (en) | Denitrification dephosphorization biological treatment and filtration integral sewage treatment system and method thereof | |
| CN109970289A (en) | A kind of urban wastewater treatment mentions mark advanced treatment process and device | |
| CN102515446B (en) | BCM (Biology Cilium Magnetic) biological sewage treatment system and BCM biological sewage treatment process | |
| CN107055933B (en) | High-ammonia-nitrogen low-carbon/nitrogen-ratio domestic sewage treatment system and method | |
| CN201598224U (en) | Biological nitrogen and phosphorus removal treatment and filter integrated sewage treatment system | |
| CN103539324B (en) | Biological ceramsite device for deeply treating domestic wastewater as well as process thereof | |
| CN215480419U (en) | Combined sewage treatment system combining oxidation ditch and deep bed denitrification filter | |
| CN204981504U (en) | Integration denitrogenation decarbonization bological aerated filter | |
| CN104803480A (en) | Multistage bioreactor and method for treating sewage with reactor | |
| CN105110556A (en) | Integrated denitrification decarbonization biological aerated filter and processing system thereof | |
| CN101863599A (en) | Sludge water treatment system and treatment method thereof | |
| CN109775936B (en) | Low-energy-consumption domestic sewage treatment system | |
| CN209161788U (en) | A kind of town sewage treatment system of the quasi- four class water of earth's surface up to standard | |
| CN111115987A (en) | Standard IV-class water standard-extraction transformation device for sewage and treatment process thereof | |
| CN111170590A (en) | Ultra-high-filtration-speed IV-class upgrading modified nitrogen and phosphorus removal device and treatment process thereof | |
| CN203307185U (en) | Biological membrane sewage treatment system | |
| CN202139145U (en) | SBR (Sequencing Batch Reactor Activated Sludge Process)-ultrafiltration membrane sludge recycling device | |
| CN104528922A (en) | Upward flow type biological aerated filter | |
| CN204356134U (en) | A kind of upward flowing type BAF | |
| CN213895520U (en) | Municipal sewage cuts dirty regulation and holds and purifies integrated processing system | |
| CN211770864U (en) | Standard IV-class water standard-extracting and reforming device for sewage | |
| CN210635851U (en) | Facultative MBR sewage treatment tank and equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200927 Address after: No.99, Huaxing Road, Xihu District, Hangzhou City, Zhejiang Province Patentee after: Zhejiang Tiandi Environmental Protection Technology Co.,Ltd. Address before: 311203, 19 floor, building 1, Pacific Plaza, No. 451 Jincheng Road, Xiaoshan District, Zhejiang, Hangzhou Patentee before: ZHEJIANG DONGFA ENVIRONMENTAL PROTECTION ENGINEERING Co.,Ltd. |
|
| CP03 | Change of name, title or address |
Address after: 310000 99 Huaxing Road, Xihu District, Hangzhou, Zhejiang Province (Hangzhou Neusoft venture building) Patentee after: Zhejiang Zheneng Technology Environmental Protection Group Co.,Ltd. Country or region after: China Address before: 310000 99 Huaxing Road, Xihu District, Hangzhou, Zhejiang Province (Hangzhou Neusoft venture building) Patentee before: Zhejiang Tiandi Environmental Protection Technology Co.,Ltd. Country or region before: China |