CN2570253Y - Multi-process integrated waste water treatment facilities - Google Patents
Multi-process integrated waste water treatment facilities Download PDFInfo
- Publication number
- CN2570253Y CN2570253Y CN 02270848 CN02270848U CN2570253Y CN 2570253 Y CN2570253 Y CN 2570253Y CN 02270848 CN02270848 CN 02270848 CN 02270848 U CN02270848 U CN 02270848U CN 2570253 Y CN2570253 Y CN 2570253Y
- Authority
- CN
- China
- Prior art keywords
- section
- tank
- pipe
- aeration tank
- treatment equipment
- 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
Images
Landscapes
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The utility model relates to a multi-process integrated waste water treatment device, which comprises a coagulation settling device, a biochemical processor, pipelines, and valves, wherein, the pipelines and the valves are mutually connected. The utility model is characterized in that the utility model is mainly composed of differential pressure regulating cylinder with regulating height, a fast mixing tank, a reaction tank, a centrifugal fast settling tank, a wave-shaped secondary flocculating tube, an inclined plate settling basin, a high level water tank with adjustable height, an A section aeration basin with adjustable volume, an A section inclined settling basin, a circulating channel type closed B section aeration basin, a B section inclined settling basin with adjustable height, and an emergency basin. The utility model has the outstanding advantages of compact structure, small ground occupation, convenient operation, low cost, low investment, and wide application range, and the utility model is suitable for various advanced processes.
Description
During the utility model mainly is applicable to, the wastewater treatment of unit such as small business, residential quarters, hotel, hospital, belong to environment protection, technical field of waste water processing.
Along with developing rapidly of environmental protection cause, the kinds of processes of wastewater treatment emerges in an endless stream.Since twentieth century eight, the nineties, in materialization treatment technology and biochemical processing two big fields, such as chemical primary reinforcement processing, novel coagulating sedimentation technology, AB method active sludge treatment technology, hydrolysis (acidifying) technology, BAF, A
2/ O denitrification dephosphorization technique, chemistry-waste water treatment process technology such as bio combined flocculation sediment technology are ripe day by day, have demonstrated many-sided advantage in the process of handling dissimilar waste water.Because the complicated diversity of waste water, particularly trade effluent character all needs the kinds of processes integrated use usually.But there are two outstanding problems to hinder the integrated use of these advanced technologies: 1, with user's particular case difference and the difference of same user production phase, its treatment process or operating parameter need corresponding adjustment, and traditional be the treatment facility of main units with all kinds of ponds, well, adjustability is but very limited; 2, the integrated operation of kinds of processes all needs larger area land seizure and bigger investment usually.User, especially vast medium-sized and small enterprises often are difficult to bear.
The purpose of this utility model provides a kind of multiplex (MUX) comprehensive wastewater treatment equipment of planting, to solve the problems referred to above that waste water disposal facility in the past exists.
The technical solution of the utility model is: multiplex's comprehensive wastewater treatment equipment of planting comprises coagulating sedimentation device, biochemical treatment equipment two parts, and interconnective pipeline, valve, it is characterized in that:
Coagulating sedimentation device I mainly contains as lower member and forms: the pressure reduction of adjustment height is regulated tube 18, and it has stirrer wheel box 1, a plurality of jar quick blend tank 17, retort 16, drug dissolving tank 14, the flow sump pump 12 that constitute of dividing down successively; The centrifugal fast heavy jar 23 of garden column-shaped barrel is arranged on above-mentioned parts next door, be circumscribed with square column type inclined-plate clarifying basin 2 on it, four jiaos of lower ends of inclined-plate clarifying basin are provided with waveform secondary flocculation pipe 27; Regulate tube, blend tank, retort, centrifugal fast heavy jar, the elevated tank 9 of waveform secondary flocculation pipe, inclined-plate clarifying basin, biochemical treatment equipment II fast to pressure reduction successively from drug dissolving tank, all be connected with pipeline or directly communicate;
Biochemical treatment equipment II mainly contains as lower member and forms: the elevated tank 9 of adjustment height, and it is followed successively by the tiltedly heavy pond 6 of A section down from left to right, the A section aeration tank 5 of adjustable volume, the tiltedly heavy pond 3 of the standby pool 4 of adjustment height and B section, closed B section aeration tank 7 is arranged at the bottom; From elevated tank successively to the tiltedly heavy pond of A section aeration tank, A section, B section aeration tank, the tiltedly heavy pond of B section, standby pool all be connected with pipeline or pipe duct, gas blower to A, B section aeration tank is connected with airduct;
Regulate tube 18 to high-order water tank 9 from pressure reduction, elevated tank 9 is respectively to B section aeration tank 7, standby pool 4, standby pool 4 to A section aeration tanks 5, and separately in the tiltedly heavy pond 6 of inclined-plate clarifying basin 2, A section, the tiltedly heavy pond 3 of B section, all be equipped with respectively and adapt to kinds of processes and change backup line and the valve that requires.
The centrifugal fast heavy jar 23 interior bottom of bottom to garden cylindricality in the square column type inclined-plate clarifying basin 2 is provided with an awl bucket 19, on the awl bucket wall water distributing pore 21 is arranged, be provided with the collection water exhaust system that annular header 20, diversion channel 29, header 28 and taper water conservancy diversion interlayer 22 constitute outside the awl bucket.
In the A section aeration tank 5, diversion channel 56 is formed an active square frame body with four diaphragms, partition walls of diversion channel 53, link together with the second layer aeration flexible pipe 51 of solarization air cell 52, be equipped with on it and can regulate solarization air cell 52 and double oxygen reaction chamber 55 volumetrical adjusting screw mandrel 57.
Circulation irrigation canals and ditches type structure is arranged in the closed B section aeration tank 7, be provided with the aeration flexible pipe 50 of many groups by valve control, the partition wall head is equipped with a plurality of impellers 49 of leading, and the diverticulum of gas is not compiled at the top, is connected with steam discharge pipe 10.
This specification sheets has following accompanying drawing:
Fig. 1 is the utility model functional diagram
Fig. 2 is the utility model structural representation front view
Fig. 3 is Fig. 2 vertical view
Fig. 4 is a coagulating sedimentation device I structural representation
Fig. 5 is Fig. 4 A-A echelon sectional view
Fig. 6 is that Fig. 5 K is to revolved view
Fig. 7 is a biochemical treatment equipment II structural representation
Fig. 8 is Fig. 7 A-A sectional view
Fig. 9 is Fig. 7 B-B sectional view
Below in conjunction with accompanying drawing the utility model structure and principle of work are further specified.
In the accompanying drawing:
Be sewer line or trend.
Provided the label table look-up of primary clustering among Fig. 1～Fig. 9, zero, parts below
| Label | Title | The position, place | Label | Title | The position, place |
| I | The coagulating sedimentation device | 30 | Spillway hole | I-27-30 | |
| II | Biochemical treatment equipment | 31 | The recoil water pipe | I-27-31 | |
| 32 | Mud discharging mouth | I-27-32 | |||
| 1 | The stirrer wheel box | I-1 | 33 | The creeping motion type sludge pump | II-6-33 |
| 2 | Inclined-plate clarifying basin | I-2 | 34 | The overflow canal | II-5-34 |
| 3 | The tiltedly heavy pond of B section | II-3 | 35 | The overflow canal | II-6-35 |
| 4 | Standby pool | II-4 | 36 | Pipe duct | II-5-36 |
| 5 | A section aeration tank | II-5 | 37 | Pipe duct | II-6-37 |
| 6 | The tiltedly heavy pond of A section | II-6 | 38 | Sludge pipe | II-6-38 |
| 7 | B section aeration tank | II-7 | 39 | Shore pipe | II-6-39 |
| 8 | The clear water discharge outlet | II-4-8 | 40 | Airduct | II-5-52-40 |
| 9 | Elevated tank | II-9 | 41 | Sludge pipe | II-3-41 |
| 10 | B section aeration tank vapor pipe | II-7-10 | 42 | Mixture export | II-7-42 |
| 11 | Coagulating sedimentation device supporting base | I-11 | 43 | Airduct | II-7-43 |
| 12 | The flow sump pump | I-12 | 44 | Water inlet pipe | II-44 |
| 13 | Water sprayer | I-13 | 45 | The overflow canal | II-3-45 |
| 14 | Drug dissolving tank | I-14 | 46 | Pipe duct | II-3-46 |
| 15 | Communicating pipe | I-15 | 47 | Shore pipe | II-3-47 |
| 16 | Retort | I-16 | 48 | Connecting pipe | II-4-48 |
| 17 | Quick blend tank | I-17 | 49 | Lead impeller | II-7-49 |
| 18 | Pressure reduction is regulated tube | I-18 | 50 | Aeration flexible pipe | II-7-50 |
| 19 | The awl bucket | I-2-19 | 51 | Aeration flexible pipe | II-52-51 |
| 20 | The annular header | I-27-20 | 52 | Solarization air cell | II-5-52 |
| 21 | Water distributing pore | I-2-19-21 | 53 | Diversion channel | II-5-53 |
| 22 | The water conservancy diversion interlayer | I-2-19-22 | 54 | The settling chamber | II-5-54 |
| 23 | Centrifugal fast heavy jar | I-23 | 55 | Double oxygen reaction chamber | II-5-55 |
| 24 | Delivery pipe | I-2-24 | 56 | Diversion channel | II-5-56 |
| 25 | Mud discharging mouth | I-23-25 | 57 | Regulate screw mandrel | II-5-57 |
| 26 | Spillway hole | I-27-26 | 58 | Stirrer | II-5-55-58 |
| 27 | Waveform secondary flocculation pipe | I-27 | 59 | Return port | II-5-55-59 |
| 28 | Header | I-2-28 | 60 | Mud discharging mouth | II-5-60 |
| 29 | Diversion channel | I-27-29 |
Primary member of the present utility model as can be seen from Figure 1, and facility of this matched with devices and mutual pipe connection relation between them, process flow to.Inclined-plate clarifying basin 2, waveform secondary flocculation pipe 27, centrifugal fast heavy jar 23, the tiltedly heavy pond 6 of A section, B section tiltedly all are connected with sludge pipe between the sludge sump of heavy pond 3, B section aeration tank 7 and this matched with devices.The equalizing tank that pressure reduction is regulated tube 18 and this matched with devices also is connected with sewer line.
Waste water pumps into coagulating sedimentation device I after auxiliary facility grille well and equalizing tank pre-treatment, finish chemical coagulation and post precipitation at this, utilizes the discrepancy in elevation from the elevated tank that flows into biochemical treatment equipment II, enters the biochemical treatment flow process.The design of biochemical treatment equipment II with nineteen nineties sophisticated AB method activated sludge process as basic technology, can convert some other treatment process easily to based on this.
Can find out the mutual alignment relation of the utility model primary clustering, parts from Fig. 2～Fig. 3.
Can find out the internal structure of coagulating sedimentation device I from Fig. 4～Fig. 6.Blend tank 17 is made up of a plurality of branches jars fast, all is with stirrer and water-in and water-out that valve control is all arranged, and mixed churning time can be according to arts demand, by how many adjustment between 0.5 minute to 2 minutes of opening branch jar number.
During work, the waste water that is added with soup is regulated tube 18 from pressure reduction and is gone into quick blend tank 17 through valve controlling flow, flows into retort 16 again, finishes coagulating after have and tangentially enter centrifugal fast heavy jar 23 the communicating pipe 15 of valve at this.Waste water is along barrel during with the certain speed eddy flow, and thick flocculation group sinks rapidly, forms mud and effluxes from mud discharging mouth 25.Rise to annular header 20 places through just heavy waste water, go up equally distributed aperture by pipe and enter spillway hole 26.The waveform secondary of flowing through from top to bottom then flocculation pipe 27 sinks in this flocculation group that increases granularity, forms mud and enters in centrifugal fast heavy jar 23 sludge buckets from mud discharging mouth 32.Waste water causes spillway hole 30 through diversion channel 29, confluxes to water conservancy diversion interlayer 22 by header 28.Enter awl bucket 19 by the water distributing pore 21 that is distributed on the awl bucket 19, up-flow is to inclined-plate clarifying basin 2.At this, flocculation group sinks through awl bucket 19; Primary water effluxes through the zig-zag overflow plate on inclined-plate clarifying basin top.24 is the delivery pipe of header 28 and water conservancy diversion interlayer 22, uses for periodic cleaning mud.31 recoil water pipes for waveform secondary flocculation pipe 27.
Whole coagulating sedimentation device I is installed on the supporting base 11, and supporting base 11 has been increased the height of coagulating sedimentation device, enters elevated tank 9 thereby the water outlet of inclined-plate clarifying basin 2 can be flow automatically.
Can find out the structure of biochemical treatment equipment II from Fig. 7～Fig. 9.During work, water outlet gravity flow by coagulating sedimentation device I enters the elevated tank 9 of the adjustable discrepancy in elevation, enter the double oxygen reaction chamber 55 of A section aeration tank 5 from the bottom by the water inlet pipe 44 that flexible duct is housed, the active sludge that is deposited in tiltedly heavy 6 bottoms, pond of A section flows into solarization air cell 52 through creeping motion type sludge pump 33 by sludge pipe 38 from top, air is sent into solarization air cell 52 by gas blower through airduct 40.After waste water enters the oxygen reaction chamber 55 of holding concurrently, under the stirring of stirrer 58, react with indoor mud (containing aerobic-anaerobic microbe) is mixed, and after diversion channel 56 enters settling chamber 54, mud sinks and is back to the oxygen reaction chamber of holding concurrently through return port 59, and excess sludge is discharged from shore pipe 60.Clarified wastewater enters solarization air cell 52 through diversion channel 53, with the mixed reaction of active sludge, mixed solution through aeration after 30～40 minutes up-flow to overflow canal 34 discharge, enter the tiltedly heavy pond 6 of A section through pipe duct 36 by the middle and lower part.Sink at this mud, clarified wastewater up-flow to overflow canal 35 is discharged, and flows into B section aeration tank 7 downwards through pipe duct 37, and excess sludge is discharged from shore pipe 39.
B section aeration tank 7 is closed cycle systems, upwards is delivered to the tiltedly heavy pond 3 of B section to guarantee water pressure energy.Waste water flows into from the tiltedly heavy pond 6 of A section, and returned sluge is flowed into through sludge pipe 41 by the tiltedly heavy pond 3 of B section, and air is sent into and sent into aeration flexible pipe (or aeration head) 50 via being in charge of through airduct 43 by gas blower.The mixed solution of waste water and mud along direction shown in the arrow with stable flow velocity circular flow.For keeping this flow velocity, be equipped with at per pass partition wall head and lead impeller 49.Do not establish aeration flexible pipe near the mixture export 42 of waste water and active sludge, avoid a large amount of mud up-flows to enter the tiltedly heavy pond 3 of B section, to keep sludge concentration higher in the aeration tank 7 and to alleviate the mud quantity of reflux.Up-flow enters the mixed solution in the tiltedly heavy pond 3 of B section, and mud sinks, and the clarified wastewater up-flow enters standby pool 4 through pipe duct 46 by the middle and lower part to overflow canal 45, is effluxed by clear water discharge outlet 8, and excess sludge is discharged from shore pipe 47.Regulate tube 18 with pressure reduction, elevated tank 9 is the same, it is also adjustable that the B section is tiltedly sunk the height of pond 3 and standby pool 4, to adapt to the needs of technique change.
The utility model can be taked the adjustment means because particular structure reaches adjustability preferably under the prerequisite that does not change basic structure, be suitable for following seven kinds of waste water treatment process:
One, chemical coagulation and precipitation---AB method active sludge treatment process.This is the base conditioning technology of this device, and its running condition is as above-mentioned.
Two, chemical primary reinforcement is handled.Not high or effluent characteristics requires lower or when handling inorganic wastewater, can close biochemical treatment equipment II at waste strength, makes it be in stand-by state.Water outlet is from inclined-plate clarifying basin 2 in line getting final product.
Three, biological primary reinforcement is handled.Handle organic waste water, the not high or effluent characteristics of waste strength requires can close the water inlet of coagulating sedimentation device I, and close the water inlet of B section aeration tank 7 among the biochemical treatment equipment II when low, waste water directly pumps into elevated tank 9, in line getting final product after handle in the tiltedly heavy pond 6 of A section aeration tank 5, A section.Install other parts and be in stand-by state.
Four, AB method active sludge treatment process.Waste water SS content and phosphorus content are not really high, when biochemical property is better, can close the water inlet of coagulating sedimentation device I, and waste water directly pumps into elevated tank 9, enter AB method treatment scheme.Coagulating sedimentation device I is in stand-by state.
Five, chemical primary reinforcement+AB method B section treatment process.When the not very big organism of surplus is handled after need handling chemical primary reinforcement, waste water is after coagulating sedimentation device I carries out chemical primary reinforcement processing, directly enter B section aeration tank 7 through elevated tank 9, behind the tiltedly heavy pond 3 of B section, standby pool 4, efflux from discharge outlet 8.A section equipment be in close, stand-by state.
Six, hydrolysis (acidifying)+AB method active sludge treatment process.A lot of organic waste waters all can adopt this art breading.Close the pipeline 46 and the clear water discharge outlet 8 of the standby pool 4 logical oblique mud sumps 3 of B section, the connecting pipe 48 between unlatching and A section aeration tank.Waste water directly injects standby pool 4 through elevated tank 9, standby pool 4 should add anaerobic sludge simultaneously, and after the hydrolysis (acidifying), mixed solution enters hold concurrently oxygen reaction chamber 55 and settling chamber 54 through the upper rising pipe of communicating pipe 48 under stirring in the pond, mud sinks, and is back to standby pool 4 by 48 the next times mud pipes; Clarified wastewater enters solarization air cell 52 through diversion channel 53, after the AB method is handled, is effluxed by the tiltedly heavy pond overflow canal 45 of B section.Coagulating sedimentation device I be in close, stand-by state.
Seven, AB (A
2/ O) technology.Operation is with the 4th " AB method active sludge treatment process ".But the aerating apparatus of one section channel of suitable length should be closed in 7 water-in back, B section aeration tank.Waste water is carrying out flowing into aerobic treatment section (adding alkali in right amount) again after denitrification is handled, and behind the tiltedly heavy pond of B section, standby pool, effluxes from discharge outlet 8.Coagulating sedimentation device I be in close, stand-by state.
Outstanding advantage of the present utility model is: the kinds of processes that is suitable for all is the novel process that twentieth century is grown up the nineties so far, has advance, the feasibility of height.Owing to adopt mechanical, electrical design, structure unique compact, floor space is little, adjustability is strong, and is easy to operate, realized inner gravity flow water distribution, spoil disposal, cost is low, it is low to consume energy, working cost is low, with the traditional technology facility mutually specific investment can save 20～50%.And applicable surface is extremely wide, except that the minority special water, almost is applicable to the processing of other all waste water, is suitable for users such as vast medium-sized and small enterprises, residential quarters, hotel, hospital to use especially.
Claims (4)
1, in a kind of being applicable to, the multiplex (MUX) that uses of small business, residential quarters, hotel, the hospital comprehensive wastewater treatment equipment of planting, comprise coagulating sedimentation device, biochemical treatment equipment two major parts, and interconnective pipeline, valve, it is characterized in that:
Coagulating sedimentation device (I) mainly contains as lower member to be formed: the pressure reduction of adjustment height is regulated tube (18), it has stirrer wheel box (1), a plurality of jar quick blend tank (17), retort (16), drug dissolving tank (14), the flow sump pump (12) that constitute of dividing down successively, there are centrifugal fast heavy jar (23) of cylindrical tube on above-mentioned parts next door, be circumscribed with square column type inclined-plate clarifying basin (2) on it, four jiaos of lower ends of inclined-plate clarifying basin (2) are provided with waveform secondary flocculation pipe (27); From drug dissolving tank successively to pressure reduction regulate tube, blend tank, retort, centrifugal fast heavy jar, the elevated tank (9) of waveform secondary flocculation pipe, inclined-plate clarifying basin, biochemical treatment equipment II all are connected with pipeline or directly communicate fast;
Biochemical treatment equipment (II) mainly contains as lower member to be formed: the elevated tank of adjustment height (9), it is followed successively by the A section aeration tank (5) of the tiltedly heavy pond (6) of A section, adjustable volume, the standby pool (4) and the tiltedly heavy pond (3) of B section of adjustment height down from left to right, and closed B section aeration tank (7) is arranged at the bottom; From elevated tank successively to the tiltedly heavy pond of A section aeration tank, A section, B section aeration tank, the tiltedly heavy pond of B section, standby pool all be connected with pipeline or pipe duct, gas blower to A, B section aeration tank is connected with airduct;
Regulate tube (18) to high-order water tank (9) from pressure reduction, elevated tank (9) respectively to B section aeration tank (7), standby pool (4), standby pool (4) is to A section aeration tank (5), and separately in the tiltedly heavy pond (6) of inclined-plate clarifying basin (2), A section, the tiltedly heavy pond (3) of B section, all be equipped with respectively and adapt to kinds of processes and change backup line and the valve that requires.
2, the multiplex (MUX) according to claim 1 comprehensive wastewater treatment equipment of planting, it is characterized in that: the bottom in the bottom in the square column type inclined-plate clarifying basin (2) to cylindrical centrifugal fast heavy jar (23) is provided with an awl bucket (19), boring on the bucket wall has water distributing pore (21), the outer collection water exhaust system that is provided with annular header (20), diversion channel (29) and header (28), taper water conservancy diversion interlayer (22) formation of awl bucket.
3, the multiplex (MUX) according to claim 1 comprehensive wastewater treatment equipment of planting, it is characterized in that: in the A section aeration tank (5), four diaphragms, the partition wall of diversion channel (56) and diversion channel (53), form an active square frame body, link together with the second layer aeration flexible pipe (51) of solarization air cell (52), be equipped with on it and can regulate solarization air cell (52) and double oxygen reaction chamber (55) volumetrical adjusting screw mandrel (57).
4, the multiplex (MUX) according to claim 1 comprehensive wastewater treatment equipment of planting, it is characterized in that: circulation irrigation canals and ditches type structure is arranged in the closed B section aeration tank (7), if many groups are by the aeration flexible pipe (50) of valve control, the partition wall head is equipped with a plurality of impellers (49) of leading, the top is provided with the diverticulum that compiles gas, is connected with vapor pipe (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02270848 CN2570253Y (en) | 2002-06-03 | 2002-06-03 | Multi-process integrated waste water treatment facilities |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02270848 CN2570253Y (en) | 2002-06-03 | 2002-06-03 | Multi-process integrated waste water treatment facilities |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2570253Y true CN2570253Y (en) | 2003-09-03 |
Family
ID=33735812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02270848 Expired - Fee Related CN2570253Y (en) | 2002-06-03 | 2002-06-03 | Multi-process integrated waste water treatment facilities |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2570253Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104445856A (en) * | 2014-12-10 | 2015-03-25 | 广东绿美环境科技有限公司 | Sludge thickening tower capable of preventing release of phosphorus |
| CN106430549A (en) * | 2016-08-31 | 2017-02-22 | 维克·恩格拜 | Sewage ordered treatment method |
-
2002
- 2002-06-03 CN CN 02270848 patent/CN2570253Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104445856A (en) * | 2014-12-10 | 2015-03-25 | 广东绿美环境科技有限公司 | Sludge thickening tower capable of preventing release of phosphorus |
| CN106430549A (en) * | 2016-08-31 | 2017-02-22 | 维克·恩格拜 | Sewage ordered treatment method |
| CN106430549B (en) * | 2016-08-31 | 2020-07-10 | 维克·恩格拜 | Method for treating sewage sequence by sequence |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100545103C (en) | Active sludge-biomembrane compounding integral sewage treating method and device thereof | |
| CN100369836C (en) | Synchronous denitrogen dephosphorus technology of city sewagte | |
| CN104512963B (en) | A kind of multistage simultaneous nitrification-denitrification biofilm system denitrogenation method of integral type and device | |
| CN1239406C (en) | Biochemical reactor for treating sewage | |
| CN106116045A (en) | A kind of efficiently villages and small towns waste water treating and reutilizing device and technique thereof | |
| CN100344558C (en) | Integrated sewage treatment equipment with multi-biomembrane | |
| CN101328000A (en) | Lichenism system and short-term contact oxidation comprehensive processing sewerage method | |
| CN111875182B (en) | Operation method of micro-polluted water body treatment system | |
| CN104556474A (en) | Water purification process and device of water supply plant | |
| CN100500593C (en) | Combined type wastewater treatment method and equipment | |
| CN203112657U (en) | Constant-effluent variable-load SVBR (Steady outflow Variable load Biological Reactor) sewage treater | |
| CN200949078Y (en) | Active sludge-biological film combined type integral sewage treatment equipment | |
| CN106007267A (en) | Large integrated sewage treatment device and sewage treatment technology | |
| CN2832804Y (en) | Composite sewage treatment equipment | |
| CN2846409Y (en) | Combined multistage waste water treating device by biological film method | |
| CN2570253Y (en) | Multi-process integrated waste water treatment facilities | |
| CN207405026U (en) | Sewage treating and recovering device | |
| CN209210478U (en) | A kind of assembly type biological sewage treatment device | |
| CN204298147U (en) | The multistage SND nitrogen rejection facility of a kind of integral type | |
| CN218709623U (en) | Rural sewage container formula A2O integration processing apparatus | |
| CN111196665A (en) | Integrated sewage treatment equipment based on A2/O coupling MBBR technology and treatment process thereof | |
| CN1199882C (en) | Urban and industrial waste water integrated transverse flow type fluidized bed treatment method and apparatus thereof | |
| CN109336253B (en) | Sewage biological treatment device and method | |
| CN1169733C (en) | Batch Circulated upflow sludge bed organic waste water treatment process | |
| CN113912248A (en) | Composite process treatment system suitable for rural domestic sewage |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Huang Yongjian Document name: Notification of Termination of Patent Right |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |