CN116161732A - Treatment system before microbial decomposition of industrial wastewater - Google Patents
Treatment system before microbial decomposition of industrial wastewater Download PDFInfo
- Publication number
- CN116161732A CN116161732A CN202211709651.9A CN202211709651A CN116161732A CN 116161732 A CN116161732 A CN 116161732A CN 202211709651 A CN202211709651 A CN 202211709651A CN 116161732 A CN116161732 A CN 116161732A
- Authority
- CN
- China
- Prior art keywords
- water
- sedimentation
- pipe
- tank
- treatment system
- 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.)
- Pending
Links
- 239000010842 industrial wastewater Substances 0.000 title claims abstract description 19
- 230000000813 microbial effect Effects 0.000 title claims abstract description 19
- 238000000354 decomposition reaction Methods 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 94
- 238000004062 sedimentation Methods 0.000 claims abstract description 62
- 238000004880 explosion Methods 0.000 claims abstract description 23
- 239000006260 foam Substances 0.000 claims abstract description 13
- 238000007599 discharging Methods 0.000 claims abstract description 11
- 239000002893 slag Substances 0.000 claims description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract description 15
- 239000002912 waste gas Substances 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 15
- 239000002351 wastewater Substances 0.000 description 14
- 238000001556 precipitation Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 239000010802 sludge Substances 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 3
- 238000004090 dissolution Methods 0.000 description 2
- 230000005764 inhibitory process Effects 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/24—Treatment of water, waste water, or sewage by flotation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/02—Settling tanks with single outlets for the separated liquid
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- 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
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physical Water Treatments (AREA)
Abstract
The invention provides a treatment system before microbial decomposition of industrial wastewater, and belongs to the technical field of environmental protection. The device comprises a multistage sedimentation tower and a water curtain type air floatation device, wherein the multistage sedimentation tower comprises a tower body, a water inlet pipe, a water outlet pipe and a plurality of sedimentation units longitudinally distributed in the tower body, the sedimentation units comprise a sedimentation barrel with an opening at the upper end and a water collecting cone barrel positioned below the sedimentation barrel, the large diameter end of the water collecting cone barrel faces upwards, the water outlet end of the water inlet pipe is positioned in the sedimentation barrel of the uppermost sedimentation unit, and a mud discharge pipe is arranged at the bottom of the sedimentation barrel; the water curtain type air floatation device comprises a plurality of air explosion tanks which are longitudinally arranged at intervals, both sides of each air explosion tank are provided with air foam collecting tanks, and the bottom of each air explosion tank is provided with a sewer pipe; valves are arranged on the sewer pipe and the mud discharging pipe; the treatment system also comprises a water pump, wherein the water pump sends water discharged by the water outlet pipe into the explosion pool at the top of the water curtain type air floatation device. The invention has the advantages of effectively reducing the alcohol content in the waste gas, and the like.
Description
Technical Field
The invention belongs to the technical field of environmental protection, and relates to a treatment system before microbial decomposition of industrial wastewater.
Background
Alcohol is widely used in industry, especially for pharmaceutical enterprises, industrial alcohol is frequently used, so that industrial wastewater contains a certain amount of alcohol, microbial decomposition is an intermediate link of most industrial wastewater treatment, in the prior art, the industrial raw water is generally subjected to microbial decomposition link after precipitation and gas explosion, but the propagation and propagation efficiency and colony density of biological bacteria are limited due to the inhibition effect of alcohol on the biological bacteria, so that the efficiency and quality of microbial treatment are directly affected; in addition, the industrial wastewater generally adopts an open environment in the processes of precipitation and gas explosion, gas emitted by the wastewater cannot be well recovered, and environmental pollution is caused, which is also a disadvantage of the existing treatment process of the industrial wastewater before microbial decomposition.
Disclosure of Invention
The invention aims at solving the problems existing in the prior art and provides a treatment system before microbial decomposition of industrial wastewater, and the technical problem to be solved by the invention is how to carry out alcohol overflow treatment before microbial treatment of wastewater, so as to avoid inhibition of excessive alcohol content on microbial reproduction.
The aim of the invention can be achieved by the following technical scheme: the utility model provides a processing system before industrial waste water microbial decomposition, its characterized in that includes multistage sedimentation tower and cascade air supporting device, multistage sedimentation tower includes tower body, inlet tube, outlet pipe and a plurality of vertical sedimentation unit who distributes in the tower body, sedimentation unit includes upper end open-ended sedimentation tank and is located the water-collecting cone of sedimentation tank below, the major diameter end of water-collecting cone up, the diameter of the major diameter end of water-collecting cone is greater than the external diameter of sedimentation tank, the diameter of the minor diameter end of water-collecting cone is less than the internal diameter of sedimentation tank, the water-out end of inlet tube is located the sedimentation tank of the sedimentation unit of uppermost, the bottom of sedimentation tank is provided with a mud pipe, the water-collecting cone links firmly through a plurality of spoke gas-collecting tubes between the inner wall of water-collecting cone and the outer wall of sedimentation tank, the top of tower body is provided with a gas-collecting tube, the water-collecting cone of the sedimentation unit of lowermost is connected with the outlet pipe;
the water curtain type air floatation device comprises a plurality of air explosion tanks which are longitudinally arranged at intervals, wherein both sides of each air explosion tank are provided with air foam collecting tanks, and the bottom of each air explosion tank is provided with a sewer pipe;
valves are arranged on the sewer pipe and the mud discharging pipe;
the treatment system also comprises a water pump, wherein the water pump sends water discharged by the water outlet pipe into the top explosion pool of the water curtain type air floatation device.
Further, the water inlet pipe passes through all the water collecting cone barrels and all the sedimentation barrels from bottom to top.
Further, the outer wall of the water inlet pipe is fixedly provided with an anti-floating cover positioned in the sedimentation barrel, the anti-floating cover is cone-shaped, the large-diameter end of the anti-floating cover faces downwards, and the diameter of the large-diameter end of the anti-floating cover is smaller than the inner diameter of the sedimentation barrel.
Further, a water-receiving inner pool with a bottom is arranged in the explosion pool, and the water-receiving inner pool comprises a water-receiving bucket and an exhaust net positioned below the water-receiving bucket.
Further, the exhaust net is in a convex curved surface shape.
Further, a slag discharging pipe is connected between the gas foam collecting tanks positioned on the same side, and inlets corresponding to the gas foam collecting tanks are arranged on the slag discharging pipe.
Compared with the traditional sedimentation tank, the multi-stage sedimentation device with the tower structure has small occupied area, can collect overflowable waste gas including alcohol effectively, reduces alcohol content in waste water, and is beneficial to subsequent biological bacteria culture and propagation.
The water curtain type air floatation device adopts a natural air dissolution mode, avoids the use of pressurized air dissolution equipment, and is also used for further volatilizing treatment of alcohol.
Drawings
Fig. 1 is a schematic diagram of the structure of the present processing system.
Fig. 2 is a schematic structural view of a multistage settling tower.
Fig. 3 is a schematic structural view of a water curtain type air floatation device.
Fig. 4 is a schematic perspective view of two explosion cells.
Fig. 5 is a schematic perspective view of a precipitation unit.
Fig. 6 is an enlarged view of a portion a in fig. 2.
Fig. 7 is an enlarged view of a portion B in fig. 3.
In the figure, 11, a tower body; 12. a water inlet pipe; 13. a water outlet pipe; 14. a precipitation barrel; 15. a water collecting cone; 16. a mud pipe; 17. a mounting plate; 18. a gas collecting tube; 2. an anti-floating cover; 31. a gas explosion pool; 32. a head collection tank; 33. a water supply pipe; 34. a slag discharge pipe; 4. a water receiving inner pool; 41. a water receiving bucket; 42. an exhaust net.
Detailed Description
The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1-7, the treatment system before microbial decomposition of industrial wastewater comprises a multi-stage sedimentation tower and a water curtain type air floatation device, wherein the multi-stage sedimentation tower comprises a tower body 11, a water inlet pipe 12, a water outlet pipe 13 and a plurality of sedimentation units longitudinally distributed in the tower body 11, the sedimentation units comprise a sedimentation barrel 14 with an opening at the upper end and a water collecting cone 15 positioned below the sedimentation barrel 14, the large diameter end of the water collecting cone 15 faces upwards, the diameter of the large diameter end of the water collecting cone 15 is larger than the outer diameter of the sedimentation barrel 14, the diameter of the small diameter end of the water collecting cone 15 is smaller than the inner diameter of the sedimentation barrel 14, the water outlet end of the water inlet pipe 12 is positioned in the sedimentation barrel 14 of the uppermost sedimentation unit, a mud discharging pipe 16 is arranged at the bottom of the sedimentation barrel 14, the inner wall of the water collecting cone 15 is fixedly connected with the inner wall of the tower body 11 through a hollow mounting plate 17, a gas collecting pipe 18 is arranged at the top of the tower body 11, and the water collecting cone 15 of the lowermost sedimentation unit is connected with the water outlet pipe 13;
the water curtain type air floatation device comprises a plurality of air explosion tanks 31 which are longitudinally arranged at intervals, two sides of each air explosion tank 31 are provided with air foam collecting tanks 32, and the bottom of each air explosion tank 31 is provided with a water pipe 33;
valves are arranged on the sewer pipe 33 and the mud discharging pipe 16;
the treatment system also comprises a water pump which sends the water discharged by the water outlet pipe 13 into the aeration tank 31 at the top of the water curtain type air floatation device.
After the industrial wastewater is intercepted and filtered by the primary grating, the industrial wastewater is sent into a precipitation barrel 14 of the topmost precipitation unit, is precipitated by each precipitation unit from top to bottom, and is discharged from a water outlet pipe 13. In the sedimentation process, the water supply speed is required to be gentle, the wastewater above the overflow sedimentation barrel 14 flows into the water collection cone 15 below the overflow sedimentation barrel 14 along the upper edge of the sedimentation barrel 14, enters the next sedimentation barrel 14 under the guiding action of the water collection cone 15, and the like, the wastewater collected by the last water collection cone 15 is recovered, the substances such as sludge deposited at the bottom of the sedimentation barrel 14 are discharged out of the tower body 11 through the sludge discharge pipes 16, and each sludge discharge pipe 16 is connected in parallel to a main pipe, so that the sludge is recovered by the main pipe.
The tower type precipitation can collect waste gas containing alcohol, avoid waste gas pollution, greatly increase the volatilization area, improve the volatilization efficiency of alcohol volatile substances, reduce the alcohol content in the waste water, and also greatly reduce the occupation area of the waste water precipitation equipment.
The wastewater from the water collecting cone 15 at the bottom is sent into the gas explosion pool 31 at the top after coagulant and other auxiliary agents are added, the natural water curtain is adopted for air floatation and deslagging, air is dissolved in the process of dropping and impacting the wastewater, and then the air floatation effect is formed on the wastewater by dissipation.
In the air floatation process, the water draining speed of the water draining pipe 33 is required to be consistent with the water inlet speed of the water inlet pipe 12, and the liquid level in the air blasting tank 31 is required to be maintained to be close to the full tank, so that scum in the air floatation process can enter the foam collecting tank 32 from two sides.
The water inlet pipe 12 passes through all the water collecting cones 15 and all the settling tanks 14 from bottom to top.
The outer wall of the water inlet pipe 12 is fixedly provided with an anti-floating cover 2 positioned in the sedimentation tank 14, the anti-floating cover 2 is cone-shaped, the large diameter end of the anti-floating cover 2 faces downwards, and the diameter of the large diameter end of the anti-floating cover 2 is smaller than the inner diameter of the sedimentation tank 14. The anti-floating cover 2 can reduce the upward flow of sediment in the water flow impact process, and improve the sediment efficiency and effect.
The water-receiving inner tank 4 with a bottom is arranged in the explosion tank 31, the water-receiving inner tank 4 comprises a water-receiving bucket 41 and an exhaust net 42 positioned below the water-receiving bucket 41, and the exhaust net 42 is in a convex curved surface shape. The position that waste water got into is the water receiving fill 41 of water receiving inner pool 4, water receiving fill 41 upper end is big, the molding that the lower extreme is little forms an irreversible structure to gas, promptly the waste water that dissolves the gas is after getting into water receiving fill 41, because of the impact of rivers and the gradual shrink of water receiving fill 41 bore reason, the bubble is difficult to upwards escape from water receiving fill 41, but can be washed into exhaust net 42 department, exhaust net 42 is the curved surface of evagination, there is the condition that the bubble was escaped from bottom to top, make the bubble can remain in the aquatic as far as possible, and escape from water receiving inner pool 4 outside, under the guide effect of water receiving fill 41 outer wall, the gas foam can be to the gas foam collecting vat 32 direction collection of water receiving fill 41 both sides.
A slag discharging pipe 34 is connected between the gas foam collecting tanks 32 positioned on the same side, and inlets corresponding to the gas foam collecting tanks 32 are arranged on the slag discharging pipe 34.
The air floatation structure can also increase the evaporation area of the wastewater, improve the alcohol volatilization efficiency and reduce the alcohol content in the wastewater.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (6)
1. The utility model provides a processing system before industrial waste water microbial decomposition, its characterized in that includes multistage sedimentation tower and cascade air supporting device, multistage sedimentation tower includes tower body (11), inlet tube (12), outlet pipe (13) and a plurality of sedimentation unit of vertical distribution in tower body (11), sedimentation unit includes upper end open-ended sedimentation tank (14) and is located water collection cone (15) of sedimentation tank (14) below, the major diameter end of water collection cone (15) is up, the diameter of the major diameter end of water collection cone (15) is greater than the external diameter of sedimentation tank (14), the diameter of the minor diameter end of water collection cone (15) is less than the internal diameter of sedimentation tank (14), the play water end of inlet tube (12) is located the sedimentation tank (14) of the sedimentation unit of uppermost, the bottom of sedimentation tank (14) is provided with one row of mud pipe (16), water collection cone (15) links to each other with tower body (11) inner wall through a fretwork mounting panel (17), water collection cone (15) and sedimentation tank (14) are connected with each other through a plurality of water collection cone (13) top part (13) are fixed between sedimentation tank (13);
the water curtain type air floatation device comprises a plurality of air explosion tanks (31) which are longitudinally arranged at intervals, two sides of each air explosion tank (31) are provided with air foam collecting tanks (32), and a water pipe (33) is arranged at the bottom of each air explosion tank (31);
valves are arranged on the sewer pipe (33) and the mud discharging pipe (16);
the treatment system also comprises a water pump, wherein the water pump sends water discharged by the water outlet pipe (13) into the gas explosion pool (31) at the top of the water curtain type air floatation device.
2. A treatment system before microbial decomposition of industrial waste water according to claim 1, characterized in that the water inlet pipe (12) passes through all water collecting cones (15) and all settling drums (14) from bottom to top.
3. The treatment system before microbial decomposition of industrial wastewater according to claim 2, wherein an anti-floating cover (2) positioned in the sedimentation tank (14) is fixedly arranged on the outer wall of the water inlet pipe (12), the anti-floating cover (2) is cone-shaped, the large diameter end of the anti-floating cover (2) faces downwards, and the diameter of the large diameter end of the anti-floating cover (2) is smaller than the inner diameter of the sedimentation tank (14).
4. The treatment system before microbial decomposition of industrial wastewater according to claim 1, wherein a bottom-sealed water receiving inner tank (4) is arranged in the explosion tank (31), and the water receiving inner tank (4) comprises a water receiving hopper (41) and an exhaust net (42) positioned below the water receiving hopper (41).
5. The system for treating industrial wastewater before microbial decomposition according to claim 4, wherein the exhaust net (42) is in a convex curved shape.
6. The treatment system before microbial decomposition of industrial wastewater according to claim 1 or 2 or 3 or 4 or 5, wherein a slag discharging pipe (34) is connected between the gas foam collecting tanks (32) located on the same side, and inlets corresponding to the gas foam collecting tanks (32) are formed in the slag discharging pipe (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211709651.9A CN116161732A (en) | 2022-12-29 | 2022-12-29 | Treatment system before microbial decomposition of industrial wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211709651.9A CN116161732A (en) | 2022-12-29 | 2022-12-29 | Treatment system before microbial decomposition of industrial wastewater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116161732A true CN116161732A (en) | 2023-05-26 |
Family
ID=86410537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211709651.9A Pending CN116161732A (en) | 2022-12-29 | 2022-12-29 | Treatment system before microbial decomposition of industrial wastewater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116161732A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2144528Y (en) * | 1992-11-11 | 1993-10-27 | 煤炭科学研究总院唐山分院 | Settling tower with pipe chute setting tank |
| CN2254004Y (en) * | 1996-04-06 | 1997-05-14 | 王杰 | Precipitation tower |
| CN101254363A (en) * | 2007-12-11 | 2008-09-03 | 中国农业大学 | Radial settling tank with multiple layer settlement plate |
| CN201834784U (en) * | 2010-10-14 | 2011-05-18 | 中国石油化工股份有限公司 | Tower type air flotation equipment |
| CN201890817U (en) * | 2010-11-18 | 2011-07-06 | 北京绿水环境工程技术有限公司 | Multifunctional floatation absorption energy-saving filter |
| CN201901617U (en) * | 2010-11-18 | 2011-07-20 | 北京绿水环境工程技术有限公司 | Full-automatic biological filter for dissolved oxygen in landscape lake |
| CN105289051A (en) * | 2015-01-27 | 2016-02-03 | 北京博汇特环保科技有限公司 | Central cylinder device for vertical-flow sedimentation tank |
| CN207330463U (en) * | 2017-08-23 | 2018-05-08 | 南阳英良石业有限公司 | Continous way multi stage precipitation tower |
| CN209564650U (en) * | 2018-11-27 | 2019-11-01 | 西安建筑科技大学 | A kind of high efficiency vertical sedimentation tank suitable for fine granule |
| CN111606442A (en) * | 2020-06-22 | 2020-09-01 | 西安玉泉水处理设备有限公司 | Hydraulic layered radiation flow multilayer suspension precipitation device and precipitation method |
| CN112160183A (en) * | 2020-09-10 | 2021-01-01 | 漯河市聚源纸业有限公司 | Papermaking plain boiled water precipitation tower and utilize plain boiled water cyclic utilization system of this precipitation tower |
-
2022
- 2022-12-29 CN CN202211709651.9A patent/CN116161732A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2144528Y (en) * | 1992-11-11 | 1993-10-27 | 煤炭科学研究总院唐山分院 | Settling tower with pipe chute setting tank |
| CN2254004Y (en) * | 1996-04-06 | 1997-05-14 | 王杰 | Precipitation tower |
| CN101254363A (en) * | 2007-12-11 | 2008-09-03 | 中国农业大学 | Radial settling tank with multiple layer settlement plate |
| CN201834784U (en) * | 2010-10-14 | 2011-05-18 | 中国石油化工股份有限公司 | Tower type air flotation equipment |
| CN201890817U (en) * | 2010-11-18 | 2011-07-06 | 北京绿水环境工程技术有限公司 | Multifunctional floatation absorption energy-saving filter |
| CN201901617U (en) * | 2010-11-18 | 2011-07-20 | 北京绿水环境工程技术有限公司 | Full-automatic biological filter for dissolved oxygen in landscape lake |
| CN105289051A (en) * | 2015-01-27 | 2016-02-03 | 北京博汇特环保科技有限公司 | Central cylinder device for vertical-flow sedimentation tank |
| CN207330463U (en) * | 2017-08-23 | 2018-05-08 | 南阳英良石业有限公司 | Continous way multi stage precipitation tower |
| CN209564650U (en) * | 2018-11-27 | 2019-11-01 | 西安建筑科技大学 | A kind of high efficiency vertical sedimentation tank suitable for fine granule |
| CN111606442A (en) * | 2020-06-22 | 2020-09-01 | 西安玉泉水处理设备有限公司 | Hydraulic layered radiation flow multilayer suspension precipitation device and precipitation method |
| CN112160183A (en) * | 2020-09-10 | 2021-01-01 | 漯河市聚源纸业有限公司 | Papermaking plain boiled water precipitation tower and utilize plain boiled water cyclic utilization system of this precipitation tower |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212559879U (en) | Waste water treatment tank | |
| CN206872639U (en) | A kind of integrated sewage treating apparatus | |
| CN201321417Y (en) | Multi-level biochemical domestic sewage treatment device | |
| CN110627196A (en) | Inclined tube precipitation device and high ammonia nitrogen organic sewage treatment system | |
| CN105417862A (en) | Wastewater treatment system | |
| CN209853876U (en) | Integrated grease separation water purifier | |
| CN218923886U (en) | Multistage sedimentation tower | |
| CN116161732A (en) | Treatment system before microbial decomposition of industrial wastewater | |
| CN217312101U (en) | Advection pipe chute combination formula sedimentation tank equipment | |
| CN218951076U (en) | Water curtain type air floatation device | |
| CN212425770U (en) | Urban sewage treatment device | |
| CN209468196U (en) | One kind being based on A2The vertical integrated sewage disposal device of/O technique | |
| CN209797614U (en) | Sewage treatment reactor | |
| CN211141630U (en) | Inclined tube precipitation device and high ammonia nitrogen organic sewage treatment system | |
| CN208594093U (en) | Villages and small towns decentralized type sewage treatment reactor | |
| CN208732865U (en) | A kind of river channel sewage treatment integral system | |
| CN206927767U (en) | Modularization sewage disposal system | |
| CN206408064U (en) | A kind of buried integrated sewage treating apparatus | |
| CN207827937U (en) | A kind of novel miniaturization sedimentation basin | |
| CN208485755U (en) | For handling the miniaturization processing system of excrement | |
| CN214612071U (en) | Dirty processing apparatus of small-size excrement for boats and ships | |
| CN207973644U (en) | A kind of miniature sewage treating apparatus of movable type | |
| CN206126893U (en) | Multistage air supporting tower of vertical flow type | |
| CN218665600U (en) | Rain sewage treatment device | |
| CN216320148U (en) | Vertical flow type secondary sedimentation tank air purging and deslagging device |
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 |