CN109179919A - A kind of A2The microkinetic integration apparatus of O - Google Patents
A kind of A2The microkinetic integration apparatus of O Download PDFInfo
- Publication number
- CN109179919A CN109179919A CN201811382559.XA CN201811382559A CN109179919A CN 109179919 A CN109179919 A CN 109179919A CN 201811382559 A CN201811382559 A CN 201811382559A CN 109179919 A CN109179919 A CN 109179919A
- Authority
- CN
- China
- Prior art keywords
- zone
- microkinetic
- integration apparatus
- aeration
- aeration tube
- 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
- 230000010354 integration Effects 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000010865 sewage Substances 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims abstract description 8
- 238000005273 aeration Methods 0.000 claims description 40
- 239000000945 filler Substances 0.000 claims description 24
- 238000010992 reflux Methods 0.000 claims description 16
- 238000012856 packing Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 238000007689 inspection Methods 0.000 claims description 7
- 238000001746 injection moulding Methods 0.000 claims description 4
- 239000000565 sealant Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 3
- 239000010802 sludge Substances 0.000 description 3
- 238000009738 saturating Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000004659 sterilization and disinfection Methods 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
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
- C02F3/30—Aerobic and anaerobic processes
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/105—Phosphorus compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Biological Treatment Of Waste Water (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
A kind of microkinetic integration apparatus of A2O mainly includes upper housing, lower case, inlet and outlet；Anoxic zone, anaerobic zone, aerobic zone, settling zone and sterile zones are separated by multiple shifting boards in the lower case, the shifting board top is equipped with overflow port, the water inlet is located above anoxic zone, the water outlet is located above sterile zones, and water outlet is lower than water inlet, the liquid level of sewage is lower than the height of lower case；Scientific structure design is able to carry out advanced treating, high treating effect, and will not generate the microkinetic integration apparatus of A2O of drainage a kind of.
Description
Technical field
The present invention relates to water treatment fields, are related to the purification tank of new rural village sewage treatment, and in particular to a kind of fine motion of A2O
Power integrated equipment.
Background technique
Septic tank be in rural sewage treatment process in important component, the septic tank function list under the prior art
One, only have the function of to the deposit in country sewage, suspended matter, floating material preliminary treatment, the technique without advanced treating,
Therefore wastewater treatment efficiency is bad.And conventional septic tank upper-lower casing volume accounts for about the 50% of septic tank total volume, and assembly connects
It connects mode and is generally scene by glue sealing, be then connected with, heavy workload, poor sealing effect, due in septic tank
Sewage level be higher than upper-lower casing joint face, cause upper-lower casing joint face to be also easy to produce drainage, be easy to cause secondary dirt
Dye.
Pencil elastic filler device used in this equipment be our company application a patent of invention (application number:
CN201810221287.9), and bracket used in this pencil elastic filler device be our company application an appearance patent.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the deficiencies in the prior art, provide a kind of scientific structure design, can
Advanced treating, high treating effect are carried out, and the microkinetic integration apparatus of A2O of drainage a kind of will not be generated.
To realize the present invention the following technical schemes are provided:
A kind of microkinetic integration apparatus of A2O mainly includes upper housing, lower case, inlet and outlet；The lower case
Interior to be separated into anoxic zone, anaerobic zone, aerobic zone, settling zone and sterile zones by multiple shifting boards, the shifting board top, which is equipped with, overflows
Head piece, the water inlet are located above anoxic zone, and the water outlet is located above sterile zones, and water outlet is lower than water inlet, dirty
The liquid level of water is lower than the height of lower case；The first porous mud support plate is equipped in the anoxic zone, described first is porous
Multi-panel Ball-type packing is equipped with above saturating mud support plate, lower section is equipped with the first aeration tube；Interval is equipped with several in the anaerobic zone
Pencil elastic filler device；The second porous mud support plate is equipped in the aerobic zone, in the second porous mud support plate
Side is equipped with hollow sphere filler, and lower section is equipped with the second aeration tube.
Preferably, first aeration tube and the second aeration tube, the different sections of general pipeline, the first aeration are aerated for same root
Nanometer aeration head is respectively equipped on pipe and the second aeration tube, the inserting hole that the aeration general pipeline passes through shifting board lower part enters anoxic
Area, anaerobic zone and aerobic zone, are equipped with sealant between aeration general pipeline and the inserting hole, the aeration general pipeline is connect with blower.
Preferably, the aerobic zone bottom is additionally provided with mixed liquor stripping reflux device, the mixed liquor stripping reflux dress
It sets the other end to connect with anoxic zone or anaerobic zone, the mixed liquor stripping reflux device is also connect with blower.
Preferably, the diameter of the multi-panel Ball-type packing is 60mm, by PP package integral injection molding, multi-panel spherical shape is filled out
Material accounts for the 20% ~ 30% of anaerobic zone effective volume, most preferably 25%.
Preferably, hollow sphere filler diameter is not less than 80mm, filled out including external latticed shell and internal PPC
Material, the cavernosa material have the function of poly- mud, acclimation sludge and denitrogenation dephosphorizing.
Preferably, being additionally provided with several inspection sockets at the top of the upper housing, the quantity of the inspection socket is no less than two, institute
The ratio between volume and equipment total volume of upper housing is stated less than 1:3.
Usefulness of the present invention:
First: multiple functional areas are separated into lower case, using " bottom exposure+close exposure+precipitating ", multistage aeration reaches denitrogenation dephosphorizing
Effect；
Second: using stripping reflux device, nitrification liquid reflux from aerobic zone is back to anoxic zone or anaerobic zone available, tool
There is the function of the selection of denitrogenation or dephosphorization, wastewater treatment efficiency is more preferably；
Third: anoxic zone has added multi-panel Ball-type packing；Surface area ratio conventional ball filler increases 5-6 times, is all made by PP,
Service life is greater than 40 years；
4th: anaerobic zone uses pencil elastic filler device, and pencil filler is placed in inside, uniformly solid by particularity filler support
Fixed, integrated injection molding, filler support is kept for 40 years service life used above；
5th: the liquid level of sewage is lower than the height of lower case, can effectively prevent leak；
6th: hollow sphere filler size >=80mm that aerobic zone adds, enclosure material PP, built-in particularity cavernous body material
Material, to achieve the effect that poly- mud, acclimation sludge and denitrogenation dephosphorizing.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention.
In figure: 1 being upper housing, 1.1 be inspection socket, 2 be lower case, 3 be water inlet, 4 be water outlet, 5 be shifting board, 6
Be anoxic zone, 6.1 be the first porous mud support plate, 6.2 be multi-panel Ball-type packing, 6.3 be the first aeration tube, 7 be anaerobic zone,
7.1 it is pencil elastic filler device, 8 be aerobic zone, 8.1 be the second porous mud support plate, 8.2 is hollow sphere filler, 8.3
It is the second aeration tube, 9 be settling zone, 10 be sterile zones, 11 be nanometer aeration head, 12 is mixed liquor stripping reflux device.
Specific embodiment
In order to which technical problems, technical solutions and advantages to be solved are more clearly understood, tie below
Accompanying drawings and embodiments are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used
To explain the present invention, it is not intended to limit the present invention.
It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element
On one element or indirectly on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
It is to be appreciated that term " length ", " width ", "upper", "lower", "front", "rear", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "top", "bottom" "inner", "outside" is that orientation based on the figure or position are closed
System, is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must have
Specific orientation is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
A kind of microkinetic integration apparatus of A2O mainly includes upper housing 1, lower case 2, water inlet 3 and water outlet 4；Institute
It states in lower case 2 and is separated into anoxic zone 6, anaerobic zone 7, aerobic zone 8, settling zone 9 and sterile zones 10 by multiple shifting boards 5, it is described
5 top of shifting board is equipped with overflow port, and the water inlet 3 is located at 6 top of anoxic zone, and the water outlet 4 is located at 10 top of sterile zones,
And water outlet 4 is lower than water inlet 3, the liquid level of sewage is lower than the height of lower case 2；More than first are equipped in the anoxic zone 6
The saturating mud support plate 6.1 in hole, multi-panel Ball-type packing 6.2 is equipped with above the first porous mud support plate 6.1, and lower section is equipped with first
Aeration tube 6.3；Interval is equipped with several pencil elastic filler devices 7.1 in the anaerobic zone 7；The is equipped in the aerobic zone 8
Two porous mud support plates 8.1 are equipped with hollow sphere filler 8.2 above the second porous mud support plate 8.1, and lower section is equipped with
Second aeration tube 8.3, first aeration tube 6.3 and the second aeration tube 8.3 are the different sections that same root is aerated general pipeline, and first exposes
Nanometer aeration head 11 is respectively equipped on tracheae 6.3 and the second aeration tube 8.3, the aeration general pipeline passes through wearing for 5 lower part of shifting board
Jack enters anoxic zone 6, anaerobic zone 7 and aerobic zone 8, and sealant, the aeration are equipped between aeration general pipeline and the inserting hole
General pipeline is connect with blower (not marking in figure), and 8 bottom of aerobic zone is additionally provided with mixed liquor stripping reflux device 12, the mixing
12 other end of liquid stripping reflux device is connect with anoxic zone 6 or anaerobic zone 7, and the mixed liquor stripping reflux device 12 is gone back and blower
The diameter of connection, the multi-panel Ball-type packing 6.2 is 60mm, and by PP package integral injection molding, multi-panel Ball-type packing 6.2, which accounts for, to be detested
The 20% ~ 30% of oxygen area effective volume, most preferably 25%., 8.2 diameter of hollow sphere filler is not less than 80mm, including external net
Trellis shell and internal PPC filler, the PPC filler have the function of poly- mud, acclimation sludge and denitrogenation dephosphorizing, the upper casing
Be additionally provided with several inspection sockets 1.1 at the top of body 1, the quantity of the inspection socket 1.1 is no less than two, the volume of the upper housing with set
The ratio between standby total volume is less than 1:3.
This equipment working principle: sewage enters anoxic zone 6 from water inlet 3, and 6 bottom of anoxic zone is equipped with the first aeration tube 6.3,
First aeration tube 6.3 is equipped with nanometer aeration head 11, and sewage is after the processing of 6.2 biofilm of multi-panel Ball-type packing, by shifting board 5
The overflow port in portion overflows to anaerobic zone 7, after the processing of the biofilm of pencil elastic filler device 7.1, by overflowing for 5 top of shifting board
Head piece overflows to aerobic zone 8, and 8 bottom of aerobic zone is equipped with the second aeration tube 8.3, also is provided with nanometer aeration head on the second aeration tube
11,8 bottom of aerobic zone is additionally provided with mixed liquor stripping reflux device 12, using intensive aeration mode intermittent aerating, while mixed liquor
The flow control valve of stripping reflux device 12 connects blower, mixed liquor stripping reflux dress by same connecting tube with aeration control valve
It sets 12 and nitrification liquid reflux is back to anoxic zone 6 or anaerobic zone 7 from aerobic zone 8, have the function of selective denitrogenation or dephosphorization, it is dirty
More preferably, through treated for aerobic zone 8, water overflow enters settling zone 9 and sterile zones 10 to water treatment efficiency, can pass through in sterile zones 10
It adds chlorine tablets to carry out disinfection, last water is discharged by water outlet 4.
It is ripe the invention is not limited to the microkinetic integration apparatus of A2O involved in above-mentioned specific embodiment a kind of
A variety of variations can also be made accordingly by knowing those skilled in the art, but any is equal or similar variation should all be contained with of the invention
Lid is within the scope of the claims.
Claims (6)
1. the microkinetic integration apparatus of A2O a kind of mainly includes upper housing, lower case, inlet and outlet；Its feature exists
In: anoxic zone, anaerobic zone, aerobic zone, settling zone and sterile zones, the compartment are separated by multiple shifting boards in the lower case
Plate top is equipped with overflow port, and the water inlet is located above anoxic zone, and the water outlet is located above sterile zones, and water outlet is low
In water inlet, the liquid level of sewage is lower than the height of lower case；
The first porous mud support plate is equipped in the anoxic zone, it is spherical to be equipped with multi-panel above the first porous mud support plate
Filler, lower section are equipped with the first aeration tube；
Interval is equipped with several pencil elastic filler devices in the anaerobic zone；
It is equipped with the second porous mud support plate in the aerobic zone, is equipped with hollow sphere above the second porous mud support plate
Filler, lower section are equipped with the second aeration tube.
2. the microkinetic integration apparatus of A2O according to claim 1 a kind of, it is characterised in that: first aeration tube
With the second aeration tube, it is aerated the different sections of general pipeline for same root, nanometer exposure is respectively equipped on the first aeration tube and the second aeration tube
Gas head, the inserting hole that the aeration general pipeline passes through shifting board lower part enter anoxic zone, anaerobic zone and aerobic zone, the aeration general pipeline
Sealant is equipped between inserting hole, the aeration general pipeline is connect with blower.
3. the microkinetic integration apparatus of A2O according to claim 1 a kind of, it is characterised in that: the aerobic zone bottom
It is additionally provided with mixed liquor stripping reflux device, the mixed liquor stripping reflux device other end is connect with anoxic zone or anaerobic zone, institute
Mixed liquor stripping reflux device is stated also to connect with blower.
4. the microkinetic integration apparatus of A2O according to claim 1 a kind of, it is characterised in that: the multi-panel spherical shape is filled out
The diameter of material is 60mm, and by PP package integral injection molding, multi-panel Ball-type packing accounts for the 20% ~ 30% of anoxic zone effective volume.
5. the microkinetic integration apparatus of A2O according to claim 1 a kind of, it is characterised in that: hollow sphere filler is straight
Diameter is not less than 80mm, including external latticed shell and internal PPC filler.
6. the microkinetic integration apparatus of A2O according to claim 1 a kind of, it is characterised in that: at the top of the upper housing
Several inspection sockets are additionally provided with, the quantity of the inspection socket is no less than two, the ratio between the volume of the upper housing and equipment total volume
Less than 1:3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811382559.XA CN109179919A (en) | 2018-11-20 | 2018-11-20 | A kind of A2The microkinetic integration apparatus of O |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811382559.XA CN109179919A (en) | 2018-11-20 | 2018-11-20 | A kind of A2The microkinetic integration apparatus of O |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109179919A true CN109179919A (en) | 2019-01-11 |
Family
ID=64940185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811382559.XA Pending CN109179919A (en) | 2018-11-20 | 2018-11-20 | A kind of A2The microkinetic integration apparatus of O |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109179919A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102381814A (en) * | 2011-10-09 | 2012-03-21 | 天津国水设备工程有限公司 | Integrated rural sewage treatment plant |
| CN205222815U (en) * | 2015-12-18 | 2016-05-11 | 北京桑德环境工程有限公司 | Integrated sewage treatment device |
| CN105712478A (en) * | 2016-03-07 | 2016-06-29 | 深圳合续环境科技有限公司 | Double-ball type suspension filler |
| CN205501033U (en) * | 2015-12-18 | 2016-08-24 | 浙江省环境工程有限公司 | A compound improved generation purifier for distributed rural domestic sewage treatment system |
| CN106116047A (en) * | 2016-08-08 | 2016-11-16 | 苏州方舟环保科技有限公司 | The villages and small towns sewage water treatment method of a kind of high-efficient denitrification and dephosphorization and device |
| CN206858273U (en) * | 2017-05-10 | 2018-01-09 | 广东中良环保工程有限公司 | A kind of Novel suspending carrier for MBBR sewage treatment process |
| CN108658409A (en) * | 2018-07-02 | 2018-10-16 | 凌志环保股份有限公司 | A kind of Anti-leakage type small-sized septic tank that shell phase connects up and down |
| CN209276324U (en) * | 2018-11-20 | 2019-08-20 | 凌志环保股份有限公司 | An A2O micro-power integrated device |
-
2018
- 2018-11-20 CN CN201811382559.XA patent/CN109179919A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102381814A (en) * | 2011-10-09 | 2012-03-21 | 天津国水设备工程有限公司 | Integrated rural sewage treatment plant |
| CN205222815U (en) * | 2015-12-18 | 2016-05-11 | 北京桑德环境工程有限公司 | Integrated sewage treatment device |
| CN205501033U (en) * | 2015-12-18 | 2016-08-24 | 浙江省环境工程有限公司 | A compound improved generation purifier for distributed rural domestic sewage treatment system |
| CN105712478A (en) * | 2016-03-07 | 2016-06-29 | 深圳合续环境科技有限公司 | Double-ball type suspension filler |
| CN106116047A (en) * | 2016-08-08 | 2016-11-16 | 苏州方舟环保科技有限公司 | The villages and small towns sewage water treatment method of a kind of high-efficient denitrification and dephosphorization and device |
| CN206858273U (en) * | 2017-05-10 | 2018-01-09 | 广东中良环保工程有限公司 | A kind of Novel suspending carrier for MBBR sewage treatment process |
| CN108658409A (en) * | 2018-07-02 | 2018-10-16 | 凌志环保股份有限公司 | A kind of Anti-leakage type small-sized septic tank that shell phase connects up and down |
| CN209276324U (en) * | 2018-11-20 | 2019-08-20 | 凌志环保股份有限公司 | An A2O micro-power integrated device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111675435A (en) | A kind of integrated sewage treatment equipment and sewage treatment method based on A/O-MBBR process | |
| CN206970300U (en) | Nitrification liquid reflux and biological reaction pool for biological reaction pool | |
| CN105836970A (en) | Sewage treatment device | |
| CN208327525U (en) | A2O process integration sewage-treatment plant | |
| CN206940554U (en) | A kind of MSBR denitrification dephosphorization systems based on MBBR | |
| CN204874025U (en) | A aeration biological fluidized bed device for high ammonia -nitrogen concentration waste water treatment | |
| CN116143325A (en) | Multistage AO efficient denitrification and dephosphorization rural domestic sewage treatment device | |
| CN108975499A (en) | A kind of integration denitrification device | |
| CN109179919A (en) | A kind of A2The microkinetic integration apparatus of O | |
| CN209276324U (en) | An A2O micro-power integrated device | |
| CN107640828A (en) | A kind of sewage-treatment plant | |
| CN103570131B (en) | Facultative anaerobic type membrane bioreaction integrated sewage treatment equipment | |
| JP3263267B2 (en) | Septic tank | |
| CN207435271U (en) | Combined integral sewage-treatment plant | |
| CN208471837U (en) | Low energy consumption integrated sewage treatment device | |
| CN102161552B (en) | Enhanced phosphorus removal membrane bioreactor | |
| CN215250251U (en) | Multistage water body remediation system | |
| CN213924413U (en) | IV-class water body discharge standard domestic sewage treatment integrated equipment | |
| CN109437485A (en) | Cycle household rural domestic sewage treatment equipment in a kind of microkinetic | |
| CN208980535U (en) | It is a kind of to propose marking device and system suitable for the processing of villages and small towns dispersant type domestic wastewater | |
| CN209292164U (en) | Cycle household rural domestic sewage treatment equipment in a kind of microkinetic | |
| CN209081685U (en) | A kind of monkshood factory processing waste water processing unit | |
| CN209276317U (en) | A kind of integrated film sewage disposal system | |
| CN201334417Y (en) | Central island type-airlift type aeration integrated circulatory wastewater treatment device for biological reactor | |
| CN208038125U (en) | Device for removing total nitrogen in sewage |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190111 |