CN220182995U - Sewage treatment equipment - Google Patents
Sewage treatment equipment Download PDFInfo
- Publication number
- CN220182995U CN220182995U CN202320418767.0U CN202320418767U CN220182995U CN 220182995 U CN220182995 U CN 220182995U CN 202320418767 U CN202320418767 U CN 202320418767U CN 220182995 U CN220182995 U CN 220182995U
- Authority
- CN
- China
- Prior art keywords
- reaction tank
- biological reaction
- pipe
- aeration
- 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 56
- 238000006243 chemical reaction Methods 0.000 claims abstract description 111
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 67
- 239000010802 sludge Substances 0.000 claims abstract description 53
- 238000005273 aeration Methods 0.000 claims abstract description 49
- 239000007788 liquid Substances 0.000 claims abstract description 35
- 239000000945 filler Substances 0.000 claims abstract description 32
- 230000001546 nitrifying effect Effects 0.000 claims abstract description 29
- 238000004062 sedimentation Methods 0.000 claims abstract description 22
- 238000005192 partition Methods 0.000 claims abstract description 19
- 238000010992 reflux Methods 0.000 claims description 35
- 238000012856 packing Methods 0.000 claims description 8
- 229920002635 polyurethane Polymers 0.000 claims description 7
- 239000004814 polyurethane Substances 0.000 claims description 7
- 239000007789 gas Substances 0.000 description 28
- 238000000034 method Methods 0.000 description 15
- 230000008569 process Effects 0.000 description 13
- 230000000694 effects Effects 0.000 description 6
- 239000004033 plastic Substances 0.000 description 6
- 229920003023 plastic Polymers 0.000 description 6
- 238000011161 development Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000010485 coping Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229920002978 Vinylon Polymers 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
The utility model discloses sewage treatment equipment, which comprises a sewage treatment box, an air pump, a controller and a water inlet pipe and a water outlet pipe which are arranged at two ends of the sewage treatment box; the sewage treatment box is internally divided into a first biological reaction tank, a second biological reaction tank, a third biological reaction tank, a fourth biological reaction tank and a sedimentation tank in sequence through a partition board; a guide cylinder connected to a baffle plate between the fourth biological reaction tank and the sedimentation tank is arranged in the sedimentation tank; aeration pipes and combined biological fillers are arranged in the first biological reaction tank, the second biological reaction tank and the third biological reaction tank, an aeration disc, suspended fillers and a nitrifying liquid gas stripping pipe are arranged in the fourth biological reaction tank, a sludge discharge gas stripping pipe and a sludge gas stripping pipe are arranged in the sedimentation tank, and the other end of the sludge discharge gas stripping pipe extends out of the sedimentation tank to discharge sludge; each aeration pipe is connected with the aeration branch pipe and then connected with the air pump.
Description
Technical Field
The utility model relates to the field of sewage treatment equipment, in particular to sewage treatment equipment.
Background
The method has the advantages that the regions in China are wide, the geographical positions, climate characteristics, historical culture, customs habits, political economic activities and the like of the north-south are different, the obvious difference between the natural landscapes and the humane landscapes in the north-south of China is caused, most of the conventional domestic sewage parameters are referred to for design in the rural sewage treatment process at present, the water outlet effect of the equipment is uneven in practical application, and due to the limitation of the technology, the phenomenon that the sewage treatment system cannot be loaded, the investment and transformation are required again and the investment of the sewage treatment equipment is increased along with the improvement of the living material conditions of local people, so that the equipment can continue to operate is caused.
Disclosure of Invention
The utility model aims to solve the technical problems that at present, in the rural sewage treatment process, most of the conventional domestic sewage parameters are referred to for design, so that the water outlet effect of equipment is uneven in practical application, and due to the limitation of the process, the utility model provides sewage treatment equipment which is used for coping with sewage in different areas through the process switching and is capable of coping with the situation that the water quality changes along with seasons, material development and the like in the field through the process switching, thereby avoiding the situation that the water quality changes in the field are difficult to adapt after the construction of the conventional sewage treatment station and the reconstruction or extension is required to be invested again, and solving the defects caused by the prior art.
The utility model provides the following technical scheme for solving the technical problems:
the sewage treatment equipment comprises a sewage treatment box, an air pump, a controller and a water inlet pipe and a water outlet pipe which are arranged at two ends of the sewage treatment box;
the interior of the sewage treatment box is sequentially divided into a first biological reaction tank, a second biological reaction tank, a third biological reaction tank, a fourth biological reaction tank and a sedimentation tank in the direction from the water inlet pipe to the water outlet pipe through a partition plate, and a water inlet branch pipe which sequentially penetrates through the partition plate and then extends to the third biological reaction tank is arranged on the water inlet pipe;
a water passing hole I is formed in the lower side of the partition plate between the first biological reaction tank and the second biological reaction tank, a water passing hole II is formed in the upper side of the partition plate between the second biological reaction tank and the third biological reaction tank, a water passing hole III is formed in the lower side of the partition plate between the third biological reaction tank and the fourth biological reaction tank, and a guide cylinder connected to the partition plate between the fourth biological reaction tank and the sedimentation tank is arranged in the sedimentation tank;
the biological reaction tank I, the biological reaction tank II and the biological reaction tank III are respectively provided with an aeration pipe and combined biological filler, the biological reaction tank IV is internally provided with an aeration disc, suspended filler and a nitrifying liquid gas stripping pipe, the top of the nitrifying liquid gas stripping pipe is bent and extended to penetrate the biological reaction tank I, the sedimentation tank is internally provided with a sludge discharge gas stripping pipe and a sludge gas stripping pipe, the other end of the sludge discharge gas stripping pipe extends out of the sedimentation tank to discharge sludge, and the top of the sludge gas stripping pipe is bent and extended to penetrate the biological reaction tank I;
each aeration pipe is connected with an aeration branch pipe and then connected with the air pump, a first branch pipe communicated with the aeration branch pipe is connected to the aeration disc, the nitrifying liquid gas stripping pipe and the sludge gas stripping pipe, a second branch pipe communicated with the air pump is connected to the sludge discharge gas stripping pipe, aeration valves are arranged on the aeration pipe, the first branch pipe and the second branch pipe, and the water inlet branch pipe, the nitrifying liquid gas stripping pipe and the sludge gas stripping pipe are respectively provided with a water inlet pipe valve, a nitrifying liquid reflux valve and a sludge reflux valve in the first biological reaction tank, the second biological reaction tank and the third biological reaction tank;
the controller is respectively in control connection with the air pump, the aeration valve, the water inlet pipe valve, the nitrified liquid reflux valve and the sludge reflux valve.
The sewage treatment equipment is characterized in that the aeration pipe is a perforated aeration pipe.
The sewage treatment equipment is characterized in that the suspended filler is polyurethane filler or spherical biological filler or fluidized bed filler.
The sewage treatment equipment with the replaceable operation mode comprises a polyurethane filler, wherein the side length of the polyurethane filler is 1-3cm, the diameter of the spherical biological filler is 3-10cm, and the diameter of the fluidized bed filler is 2-5cm.
The technical scheme provided by the sewage treatment equipment has the following technical effects:
different operation modes are realized by jointly adjusting an internal water inlet valve, an aeration valve, a nitrifying liquid reflux valve and a sludge reflux valve, and the sewage treatment modes such as AAO, AO, RAAO, UCT, MUCT, JHB can be switched, so that the most suitable operation mode is selected according to different water qualities. The utility model changes different operation processes of the sewage treatment equipment through switching the valves, is not only suitable for sewage in different areas, but also suitable for different water volumes in different scale treatment capacity forms, and effectively solves the problems that the effluent of the sewage treatment equipment in the actual application process does not reach the standard due to the fact that the design directly adopts a reference value or the original sewage treatment process does not adapt to the occurrence of the effluent which does not reach the standard due to the development of local production and living conditions.
Drawings
Fig. 1 is a schematic diagram of a sewage treatment apparatus according to the present utility model.
Wherein, the reference numerals are as follows:
sewage treatment tank 100, biological reaction tank one 101, biological reaction tank two 102, biological reaction tank three 103, biological reaction tank four 104, sedimentation tank 105, water inlet pipe 106, water passing hole one 107, water passing hole two 108, water passing hole three 109, guide cylinder 110, water outlet pipe 111, air pump 112, aeration pipe 113, combined biological filler 114, suspended filler 115, aeration disk 116, nitrifying liquid stripping pipe 117, sludge discharge stripping pipe 118, sludge stripping pipe 119, water inlet pipe valve 120, nitrifying liquid reflux valve 121, sludge reflux valve 122, aerating valve 123, water inlet branch pipe 124, first branch pipe 125, second branch pipe 126, aerating branch pipe 127.
Detailed Description
The utility model is further described with reference to the following detailed description in order to make the technical means, the inventive features, the achieved objects and the effects of the utility model easy to understand.
It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the utility model to the extent that it can be practiced, since modifications, changes in the proportions, or otherwise, used in the practice of the utility model, are not intended to be critical to the essential characteristics of the utility model, but are intended to fall within the spirit and scope of the utility model.
Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the utility model, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the utility model may be practiced.
The utility model provides sewage treatment equipment, which aims to cope with sewage in different areas through process switching, and can cope with the situation that the water quality changes along with the development of seasons, substances and the like in the local area through the process switching, so that the situation that the water quality changes in the local area are difficult to adapt to after the construction of a conventional sewage treatment station and the reconstruction or extension is required to be invested again is avoided.
As shown in fig. 1, a sewage treatment apparatus includes a sewage treatment tank 100, an air pump 112, a controller, and a water inlet pipe 106 and a water outlet pipe 111 installed at both ends of the sewage treatment tank 100;
the interior of the sewage treatment box 100 is sequentially divided into a first biological reaction tank 101, a second biological reaction tank 102, a third biological reaction tank 103, a fourth biological reaction tank 104 and a sedimentation tank 105 in the direction from a water inlet pipe 106 to a water outlet pipe 111 through a partition plate, and a water inlet branch pipe 124 which sequentially penetrates through the partition plate and then extends to the third biological reaction tank 103 is arranged on the water inlet pipe 106;
a water passing hole I107 is formed in the lower side of a partition plate between the first biological reaction tank 101 and the second biological reaction tank 102, a water passing hole II 108 is formed in the upper side of a partition plate between the second biological reaction tank 102 and the third biological reaction tank 103, a water passing hole III 109 is formed in the lower side of a partition plate between the third biological reaction tank 103 and the fourth biological reaction tank 104, and a guide cylinder 110 connected to a partition plate between the fourth biological reaction tank 104 and the sedimentation tank 105 is arranged in the sedimentation tank 105;
the biological reaction tank I101, the biological reaction tank II 102 and the biological reaction tank III 103 are respectively provided with an aeration pipe 113 and a combined biological filler 114, the biological reaction tank IV 104 is internally provided with an aeration disc 116, a suspension filler 115 and a nitrifying liquid gas stripping pipe 117, the top of the nitrifying liquid gas stripping pipe 117 is bent and extended to penetrate through the biological reaction tank I101, gas stripping reflux is realized by gas pump 112, nitrifying liquid is refluxed to the biological reaction tank I101, the biological reaction tank II 102 and the biological reaction tank III 103, nitrifying liquid is controlled and distributed to the three biological reaction tanks by the same nitrifying liquid reflux valve 121 on the same reflux pipe, a sludge discharge gas stripping pipe 118 and a sludge gas stripping pipe 119 are arranged in the sedimentation tank 105, the other end of the sludge discharge gas stripping pipe 118 stretches out of the sedimentation tank 105 to discharge sludge, the sludge is supplied by gas pump 112 to realize gas stripping reflux, the sludge gas stripping pipe 119 is bent and extended to the biological reaction tank I101, the sludge liquid is refluxed to the biological reaction tank I101, the biological reaction tank II 102 and the biological reaction tank III 103 are controlled and distributed to the three biological reaction tanks by the same sludge reflux valve 122 on the same reflux pipe;
each aeration pipe 113 is connected with an air pump 112 after being respectively connected with an aeration branch pipe 127, a first branch pipe 125 communicated with the aeration branch pipe 127 is connected with an aeration disc 116, a nitrifying liquid gas stripping pipe 117 and a sludge gas stripping pipe 119, a second branch pipe 126 communicated with the air pump 112 is connected with a sludge discharge gas stripping pipe 118, aeration valves 123 are respectively arranged on the aeration pipe 113, the first branch pipe 125 and the second branch pipe 126, and a water inlet branch pipe 124, the nitrifying liquid gas stripping pipe 117 and the sludge gas stripping pipe 119 are respectively provided with a water inlet pipe valve 120, a nitrifying liquid reflux valve 121 and a sludge reflux valve 122 in the biological reaction tank I101, the biological reaction tank II 102 and the biological reaction tank III 103;
the controller is respectively connected with the air pump 112, the aeration valve 123, the water inlet pipe valve 120, the nitrified liquid reflux valve 121 and the sludge reflux valve 122 in a control way; the aeration pipe 113, the aeration disc 116, the nitrified liquid stripping pipe 117, the sludge discharge stripping pipe 118 and the sludge stripping pipe 119 of the whole equipment are all provided with the same aeration valve 123 to control the air quantity supply.
The above-described sewage treatment apparatus, wherein the aeration pipe 113 is a perforated aeration pipe.
The sewage treatment apparatus described above, wherein the suspended packing 115 is polyurethane packing or spherical bio-packing or fluidized bed packing.
The sewage treatment equipment is characterized in that the side length of the polyurethane filler is 1-3cm, the diameter of the spherical biological filler is 3-10cm, and the diameter of the fluidized bed filler is 2-5cm.
The equipment comprises a first biological reaction tank 101, a second biological reaction tank 102, a third biological reaction tank 103, a fourth biological reaction tank 104 and a sedimentation tank 105, different operation modes are realized by jointly adjusting an internal water inlet valve, an aeration valve 123, a nitrifying liquid reflux valve 121 and a sludge reflux valve 122, the sewage treatment modes such as AAO, AO, RAAO, UCT, MUCT, JHB can be switched, and the most suitable operation mode is selected according to different water qualities:
AAO mode: by controlling the water inlet pipe valve 120, only water is controlled to enter the first biological reaction tank 101, meanwhile, the aeration valve 123 is controlled to perform a small amount of aeration in the third biological reaction tank 103 to form an anoxic state, and a large amount of aeration in the fourth biological reaction tank 104 is controlled to form an aerobic state, so that the nitrifying liquid reflux valve 121 is controlled to enable the gas stripping nitrifying liquid to only reflux to the third biological reaction tank 103, the sludge reflux valve 122 is controlled to enable the gas stripping sludge mixed liquid to reflux to the first biological reaction tank 101, at the moment, the first biological reaction 101 and the second biological reaction tank 102 of the device form an anaerobic tank, the third biological reaction tank 103 is an anoxic tank, and the fourth biological reaction tank 104 is an aerobic tank to form an aerobic device;
AO mode: in the same AAO mode, the first biological reaction tank 101 and the second biological reaction tank 102 are in an anaerobic or anoxic state by controlling the water inlet pipe valve 120, the aeration valve 123, the nitrifying liquid reflux valve 121 and the sludge reflux valve 122, the third biological reaction tank 103 and the fourth biological reaction tank 104 are in an aerobic state, nitrifying liquid reflux only flows into the first biological reaction tank 101, and sludge reflux only flows back into the first biological reaction tank 101, so that the device is in an AO mode, namely an anaerobic/anoxic-aerobic mode;
the same way RAAO, UCT, MUCT, JHB and other processes are realized by adjusting the switch closure of the water inlet pipe valve 120, the aeration valve 123, the nitrifying liquid reflux valve 121 and the sludge reflux valve 122 to ensure that the first biological reaction tank 101, the second biological reaction tank 102, the third biological reaction tank 103 and the fourth biological reaction tank 104 are in different anaerobic, anoxic or aerobic states and synchronously controlling nitrifying liquid and sludge reflux;
in addition, the first biological reaction tank 101, the second biological reaction tank 102 and the third biological reaction tank 103 in the device are provided with combined biological fillers, and the combined biological fillers have the advantages of soft biological fillers and semi-soft biological fillers, so that the defects of the soft biological fillers and the semi-soft biological fillers in sewage treatment are overcome; the structure is that the plastic picture is pressed and buckled into a double-ring large plastic ring, the plastic picture is taken as a framework, aldehyde vinylon fiber or polyester yarn is pressed on the outer ring of the ring, fiber bundles are uniformly distributed around the ring, the inner ring is snowflake-shaped plastic branches, the plastic ring is easy to generate films and hang films, bubbles can be effectively cut, the plastic ring is suitable for sewage biological treatment, the transfer rate and the utilization rate of oxygen are improved, the air, water and biological films are fully exchanged, so that organic matters in water are efficiently treated, in addition, suspended filler 115 is added into a biological reaction tank 104, the biological films are formed through microorganisms accumulated on the filler, a sludge film effect is formed by combining with a conventional activated sludge method, the sludge concentration is further increased, the impact caused by water quality change is effectively avoided and buffered, the reliability of water outlet is ensured, and the condition that the water quality change is difficult to be adapted to be changed after the conventional sewage treatment station is constructed and the reconstruction or the extension is required to be invested again is avoided.
In summary, the sewage treatment equipment of the utility model can cope with sewage in different areas through process switching, and can cope with the situation that the water quality changes along with the development of seasons, substances and the like in the local area through process switching, thereby avoiding the situation that the water quality changes in the local area are difficult to adapt to after the construction of a conventional sewage treatment station and the reconstruction or extension is required to be invested again.
The foregoing describes specific embodiments of the utility model. It is to be understood that the utility model is not limited to the specific embodiments described above, wherein devices and structures not described in detail are to be understood as being implemented in a manner common in the art; numerous variations, changes, or substitutions of light can be made by one skilled in the art without departing from the spirit of the utility model and the scope of the claims.
Claims (4)
1. The sewage treatment equipment is characterized by comprising a sewage treatment box, an air pump, a controller and a water inlet pipe and a water outlet pipe which are arranged at two ends of the sewage treatment box;
the interior of the sewage treatment box is sequentially divided into a first biological reaction tank, a second biological reaction tank, a third biological reaction tank, a fourth biological reaction tank and a sedimentation tank in the direction from the water inlet pipe to the water outlet pipe through a partition plate, and a water inlet branch pipe which sequentially penetrates through the partition plate and then extends to the third biological reaction tank is arranged on the water inlet pipe;
a water passing hole I is formed in the lower side of the partition plate between the first biological reaction tank and the second biological reaction tank, a water passing hole II is formed in the upper side of the partition plate between the second biological reaction tank and the third biological reaction tank, a water passing hole III is formed in the lower side of the partition plate between the third biological reaction tank and the fourth biological reaction tank, and a guide cylinder connected to the partition plate between the fourth biological reaction tank and the sedimentation tank is arranged in the sedimentation tank;
the biological reaction tank I, the biological reaction tank II and the biological reaction tank III are respectively provided with an aeration pipe and combined biological filler, the biological reaction tank IV is internally provided with an aeration disc, suspended filler and a nitrifying liquid gas stripping pipe, the top of the nitrifying liquid gas stripping pipe is bent and extended to penetrate the biological reaction tank I, the sedimentation tank is internally provided with a sludge discharge gas stripping pipe and a sludge gas stripping pipe, the other end of the sludge discharge gas stripping pipe extends out of the sedimentation tank to discharge sludge, and the top of the sludge gas stripping pipe is bent and extended to penetrate the biological reaction tank I;
each aeration pipe is connected with an aeration branch pipe and then connected with the air pump, a first branch pipe communicated with the aeration branch pipe is connected to the aeration disc, the nitrifying liquid gas stripping pipe and the sludge gas stripping pipe, a second branch pipe communicated with the air pump is connected to the sludge discharge gas stripping pipe, aeration valves are arranged on the aeration pipe, the first branch pipe and the second branch pipe, and the water inlet branch pipe, the nitrifying liquid gas stripping pipe and the sludge gas stripping pipe are respectively provided with a water inlet pipe valve, a nitrifying liquid reflux valve and a sludge reflux valve in the first biological reaction tank, the second biological reaction tank and the third biological reaction tank;
the controller is respectively in control connection with the air pump, the aeration valve, the water inlet pipe valve, the nitrified liquid reflux valve and the sludge reflux valve.
2. A sewage treatment apparatus as claimed in claim 1 wherein said aeration tube is a perforated aeration tube.
3. A sewage treatment plant according to claim 2, wherein the suspended packing is polyurethane packing or spherical bio-packing or fluidised bed packing.
4. A sewage treatment apparatus as claimed in claim 3, wherein the polyurethane filler has a side length of 1-3cm, the spherical bio-filler has a diameter of 3-10cm, and the fluidized bed filler has a diameter of 2-5cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320418767.0U CN220182995U (en) | 2023-03-06 | 2023-03-06 | Sewage treatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320418767.0U CN220182995U (en) | 2023-03-06 | 2023-03-06 | Sewage treatment equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220182995U true CN220182995U (en) | 2023-12-15 |
Family
ID=89101747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320418767.0U Active CN220182995U (en) | 2023-03-06 | 2023-03-06 | Sewage treatment equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220182995U (en) |
-
2023
- 2023-03-06 CN CN202320418767.0U patent/CN220182995U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101492202B (en) | Micro-net dynamic membrane bioreactor for continuously updating dynamic membrane | |
| CN109734198B (en) | Dioxygen layer biofilm reactor for wastewater treatment and wastewater treatment method | |
| CN104512960B (en) | A kind of integrated apparatus of biological wastewater treatment and method of wastewater treatment | |
| CN204779037U (en) | Standpipe denitrogenation filler device | |
| CN220182995U (en) | Sewage treatment equipment | |
| CN205917131U (en) | Biological increase device of waste water treatment | |
| CN110668640B (en) | Landscape type combined sewage treatment equipment and method thereof | |
| CN104743671A (en) | Vertical tube denitrification filler device | |
| CN205773602U (en) | A kind of biological reaction apparatus being applied to water treatment filter pond | |
| CN205527976U (en) | Multistage AO short distance denitrogenation oxygen boosting aeration tank | |
| CN209161757U (en) | A kind of removal of carbon and nitrogen device of high ammonia nitrogen low carbon-nitrogen ratio sewage | |
| CN204752337U (en) | Biological bacterial embedding device in preliminary treatment biological reaction pond | |
| CN107686166A (en) | Integrated A/O device based on embedding bacterium technology | |
| CN203546020U (en) | Algae high-density culture apparatus | |
| CN207498139U (en) | The smelly water body purification apparatus of urban black | |
| CN106520527A (en) | Device and method for inducing generation of struvite by virtue of microorganisms | |
| CN106348445A (en) | Multilevel aerobic and anaerobic sewage treatment device and method | |
| CN207313248U (en) | Integrated A/O device based on embedding bacterium technology | |
| CN112142260A (en) | Treatment system and method for decentralized sewage | |
| CN206814578U (en) | A kind of rural area dispersed miniature integrated sewage treating apparatus | |
| CN207726817U (en) | A kind of alternating detests/aerobic sequencing batch formula reaction unit | |
| CN206620702U (en) | A kind of aquatic fish fry hatchibator | |
| CN207243671U (en) | A kind of integration distributing rural domestic sewage treating device | |
| CN109867365B (en) | Renewable ecological restoration system controlled by double triangular pipes through valves | |
| CN110272122B (en) | Zero-emission three-group biological filtration system for circulating water culture |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |