CN210150921U - Solidification microorganism sewage treatment plant of artifical intensive nitrogen and phosphorus removal - Google Patents
Solidification microorganism sewage treatment plant of artifical intensive nitrogen and phosphorus removal Download PDFInfo
- Publication number
- CN210150921U CN210150921U CN201920976101.0U CN201920976101U CN210150921U CN 210150921 U CN210150921 U CN 210150921U CN 201920976101 U CN201920976101 U CN 201920976101U CN 210150921 U CN210150921 U CN 210150921U
- Authority
- CN
- China
- Prior art keywords
- phosphorus removal
- tank
- nitrogen
- water
- removal tank
- 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
- Biological Treatment Of Waste Water (AREA)
Abstract
The utility model discloses a solidified microorganism sewage treatment device for artificially strengthening nitrogen and phosphorus removal, which comprises a filtering tank, an adjusting tank, a primary nitrogen and phosphorus removal tank and a secondary nitrogen and phosphorus removal tank which are sequentially communicated by water pipes; the internal space of the filter tank is divided into a water inlet area and a water outlet area by a filter screen along the water flow direction; the inner space of the regulating pool is divided into a settling zone and a water seepage zone by an overflow wall along the water flow direction, and cobblestones are filled in the water seepage zone; a supporting plate with sieve pores is horizontally arranged in the primary nitrogen and phosphorus removal tank, and ceramsite and FeZn-LDHs film-coated modified zeolite are filled above the supporting plate; a carrier solidification microbial generator is arranged at the bottom of the secondary nitrogen and phosphorus removal tank, and an aerator pipe is arranged above the carrier solidification microbial generator; and a fan is arranged outside the secondary nitrogen and phosphorus removal tank, a heater is arranged on the fan, and the aeration pipe is communicated with the fan through an air guide pipe. The utility model discloses also have good nitrogen and phosphorus removal effect under chilly environment.
Description
Technical Field
The utility model relates to the technical field of environmental protection, in particular to an artificially-enhanced nitrogen and phosphorus removal immobilized microorganism sewage treatment device.
Background
Municipal domestic sewage is mainly from domestic, commercial and urban utilities, etc., and organic matter is a major pollutant of domestic sewage, such as: starch, protein, sugar, vegetable oil and the like, and the chemical oxygen demand, the biological oxygen demand, the total nitrogen content and the total phosphorus content of the urban domestic sewage are relatively high. When water with high nitrogen content and phosphorus content is discharged into the nature, eutrophication of water is easily caused, algae grows and breeds in large quantity, and red tide and water bloom are caused in serious conditions, so that the water quality is deteriorated and the environment is polluted.
At present, a large-scale water treatment plant mainly purifies water by a chemical method, while sewage treatment and ecological restoration are closely related, and the success of water pollution treatment is measured by replacing chemical indexes with ecological indexes internationally; the traditional water treatment process needs to add a large amount of medicament, the generated sludge becomes a new treatment focus, and the government has strict regulations on the treatment of the activated sludge, so that the technology has more short plates.
The carrier immobilized microorganism technology is the most revolutionary microorganism sewage treatment technology in the world, is a technology for fixing a plurality of specially matched dominant microorganisms in a carrier of a multienzyme by biological engineering means such as ion adsorption, embedding, crosslinking, labor value combination and the like, and equipment for installing the immobilized microorganism carrier is called an immobilized microorganism generator.
Chinese patent with publication number CN208747753U discloses a water purification device with a solidified microorganism coupled with a phosphorus removal matrix, which comprises a shell, and is characterized in that a nitrogen removal groove and a phosphorus removal groove which are mutually independent are arranged in the shell, solidified microorganisms are arranged in the nitrogen removal groove, a sealing net for preventing the solidified microorganisms from separating from the nitrogen removal groove is arranged at an opening at the upper end of the nitrogen removal groove, an aeration disc is arranged at the bottom in the nitrogen removal groove, the aeration disc is connected with a blast aerator outside the device through an aeration pipe, a plurality of layers of grid clapboards are horizontally arranged in the phosphorus removal groove, an ecological phosphorus removal matrix layer is arranged on the upper surface of each grid clapboard, a flow guide channel is formed between the outer wall of the nitrogen removal groove and the outer wall of the phosphorus removal groove, an upper water inlet of the flow guide channel is communicated with the nitrogen removal groove, a lower water outlet of the flow guide channel is communicated with the phosphorus removal, the device has the advantages of high nitrogen and phosphorus removal efficiency, low energy consumption, small occupied area and convenient installation.
Although the technical scheme solves the defects of the prior art to a certain extent, the following defects still exist:
1) each microorganism has its optimum temperature, and has its specific temperature for breeding and survival, and if the temperature change is light, it will affect normal life, and if the temperature change is heavy, it will die, in sewage treatment, the optimum temperature range of the microorganism is 16-30 deg.C, the highest temperature is 37-43 deg.C, and when the temperature is lower than 10 deg.C, the microorganism will not grow and breed any more. In a proper temperature range, the removal rate of the microorganisms to COD is reduced by 10% when the temperature is reduced by 10 ℃, and the sewage treatment is a continuous process, if the stagnation of the sewage treatment is caused by the influence of the temperature, the pollution amount is increased again during the stagnation period of the sewage treatment, and the due treatment effect cannot be achieved, so that the sewage treatment effect of the water purification device in the technical scheme is not ideal in cold winter or low-temperature regions throughout the year, and the use effect is poor;
2) the bubbles that the aeration dish among the above-mentioned technical scheme produced can cause direct impact to the solidification microorganism, and the solidification microorganism rolls in the denitrogenation groove, and the carrier of solidification microorganism is cracked easily, and after the maternal death of microorganism, the solidification microorganism will lose the ability of controlling pollution, and the result of use is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an artifical solidification microorganism sewage treatment plant who strengthens nitrogen and phosphorus removal, the power consumption is low, can not produce activated sludge, and health environmental protection also has good nitrogen and phosphorus removal effect in chilly winter, has avoided the influence of low temperature to the sewage treatment effect, and nitrogen and phosphorus removal is efficient.
The above technical purpose of the present invention can be achieved by the following technical solutions:
a solidified microorganism sewage treatment device for artificially strengthening nitrogen and phosphorus removal comprises a filter tank, an adjusting tank, a primary nitrogen and phosphorus removal tank and a secondary nitrogen and phosphorus removal tank which are sequentially communicated by water pipes; the filter tank, the regulating tank, the primary nitrogen and phosphorus removal tank and the secondary nitrogen and phosphorus removal tank are arranged in sequence in a fall way;
the inner space of the filter tank is divided into a water inlet area and a water outlet area by a filter screen along the water flow direction, and a water inlet and a water outlet of the filter tank are respectively arranged at the upper part of the water inlet area and the lower part of the water outlet area; the inner space of the regulating tank is divided into a settling zone and a water seepage zone by an overflow wall along the water flow direction, cobblestones are filled in the water seepage zone, and a water inlet and a water outlet of the regulating tank are respectively arranged at the upper part of the settling zone and the lower part of the water seepage zone;
a supporting plate with sieve pores is horizontally arranged in the primary nitrogen and phosphorus removal tank, a water passing area is reserved between the supporting plate and the bottom of the primary nitrogen and phosphorus removal tank, ceramsite and FeZn-LDHs coated modified zeolite are sequentially filled above the supporting plate from top to bottom, a water inlet of the primary nitrogen and phosphorus removal tank is arranged above the ceramsite, and a water outlet of the primary nitrogen and phosphorus removal tank is arranged below the supporting plate; a plurality of carrier solidification microbial generators are uniformly arranged at the bottom of the secondary nitrogen and phosphorus removal tank, a plurality of aeration pipes are arranged above the carrier solidification microbial generators, and spoilers are horizontally arranged between the aeration pipes and the carrier solidification microbial generators; a thermometer is installed on the inner wall of the secondary nitrogen and phosphorus removal tank, a fan is arranged outside the secondary nitrogen and phosphorus removal tank, a heater is arranged on the fan, and the aeration pipe is communicated with the fan through an air guide pipe; and the upper part of the secondary nitrogen and phosphorus removal tank is provided with a drain pipe, and the drain pipe is provided with a water pump.
The utility model discloses a further set up to: the arrangement thickness of the cobblestones is 50-80cm, and the diameter of the cobblestones is 3-6 cm.
The utility model discloses a further set up to: the distribution thickness of the ceramsite is 20-40cm, and the diameter of the ceramsite is 2-4 mm.
The utility model discloses a further set up to: the arrangement thickness of the FeZn-LDHs film-coated modified zeolite is 20-40cm, and the particle size of the FeZn-LDHs film-coated modified zeolite is 1-3 mm.
The utility model discloses a further set up to: the heating temperature of the heater is 20-43 ℃.
The utility model discloses a further set up to: the bottom surface of the filter tank is higher than the upper opening of the regulating tank, the bottom surface of the regulating tank is higher than the upper opening of the primary nitrogen and phosphorus removal tank, and the bottom surface of the primary nitrogen and phosphorus removal tank is higher than the upper opening of the secondary nitrogen and phosphorus removal tank.
Compared with the prior art, the utility model discloses following beneficial effect has:
one of the two, the utility model discloses no matter be in chilly winter or can both guarantee the normal reproduction of microorganism in the microthermal area throughout the year, can not influence its effect of treating pollution because of the low temperature, nitrogen and phosphorus removal is effectual, has avoided leading to treating pollution stagnation because of the low temperature, and then leads to the problem that the pollution amount increases once more, the sewage treatment in specially adapted low temperature area throughout the year.
Secondly, conventional water purification method is to getting rid of phosphorus element, often adopts the method of flocculation and precipitation, and it is big to add the dose, and sludge disposal is also very troublesome, and the utility model discloses a modified zeolite surface cladding's of FeZn-LDHs tectorial membrane LDHs has stronger interlaminar anion exchange ability, and the surface demonstrates certain electropositive nature, and is strong to the adsorption efficiency of the oxygen-containing anion pollutant like phosphorus element, and simultaneously, the modified zeolite of FeZn-LDHs tectorial membrane is compared in original zeolite, and it has changed the inside pore and the surface group of zeolite, and then has promoted the absorption to phosphorus, still can not produce mud when denitrogenation dephosphorization effect is good, and is more environmental protection.
And thirdly, the removal rate of the original zeolite to other pollutants TDP is only 26.8%, while the removal rate of the FeZn-LDHs film-coated modified zeolite to other pollutants TDP reaches 77.5%, and the sewage treatment effect is good.
Fourthly, the utility model discloses the power consumption is low, has broken through traditional activated sludge treatment's limitation, adopts the high-efficient degradation ammonia nitrogen of microorganism, has avoided the production and the processing of mud, and the water after the processing can reach surface water V type standard of IV class even, can be used for secondary utilization such as watering, carwash, has reduced environmental pollution.
Fifthly, the utility model discloses simple structure builds and the running cost is low, compares in traditional sewage treatment plant, more does benefit to owner's use and later maintenance, needn't drop into a large amount of funds and manpower and materials again in the later stage, administers to town sewage treatment and breed tail water and has good popularization prospect.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. a filtration tank; 11. filtering with a screen; 12. a water inlet area; 13. a water outlet area; 2. a regulating tank; 21. an overflow wall; 22. a settling zone; 23. a water seepage area; 24. cobblestones; 3. a primary nitrogen and phosphorus removal tank; 31. a support plate; 32. ceramsite; 33. FeZn-LDHs film-coated modified zeolite; 34. a water passing area; 4. a secondary nitrogen and phosphorus removal tank; 41. a carrier-immobilized microbial generator; 42. an aeration pipe; 43. a spoiler; 431. a support bar; 44. a thermometer; 45. a fan; 451. a heater; 452. an air duct; 46. a drain pipe; 47. and (4) a water pump.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless explicitly stated or limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; they may be mechanically coupled, directly coupled, indirectly coupled through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Example (b):
a solidified microorganism sewage treatment device for artificially strengthening nitrogen and phosphorus removal is shown in figure 1 and comprises a filtering tank 1, an adjusting tank 2, a primary nitrogen and phosphorus removal tank 3 and a secondary nitrogen and phosphorus removal tank 4 which are sequentially communicated by water pipes; the filter tank 1, the adjusting tank 2, the primary nitrogen and phosphorus removal tank 3 and the secondary nitrogen and phosphorus removal tank 4 are arranged in sequence in a fall way.
Wherein, the bottom surface of the filter tank 1 is higher than the upper opening of the regulating tank 2, the bottom surface of the regulating tank 2 is higher than the upper opening of the first-level nitrogen and phosphorus removal tank 3, and the bottom surface of the first-level nitrogen and phosphorus removal tank 3 is higher than the upper opening of the second-level nitrogen and phosphorus removal tank 4.
The internal space of the filtering tank 1 is divided into a water inlet area 12 and a water outlet area 13 by a filter screen 11 along the water flow direction, a water inlet and a water outlet of the filtering tank 1 are respectively arranged at the upper part of the water inlet area 12 and the lower part of the water outlet area 13, and sewage flowing into the water inlet area 12 flows into the water outlet area 13 after being filtered by the filter screen 11, so that large-particle impurities in the sewage are filtered.
The inner space of the adjusting tank 2 is divided into a settling zone 22 and a water seepage zone 23 by an overflow wall 21 along the water flow direction, the water seepage zone 23 is filled with cobblestones 24, a water inlet and a water outlet of the adjusting tank 2 are respectively arranged at the upper part of the settling zone 22 and the lower part of the water seepage zone 23, and particularly, the upper end surface of the overflow wall 21 is lower than the upper opening of the adjusting tank 2; the sewage in the water outlet area 13 flows into the settling area 22 of the regulating tank 2 under the action of self gravity, the sewage which is primarily settled overflows the overflow wall 21 and flows into the water seepage area 23, the flow rate of the sewage can be reduced by the overflow wall 21, and the flow rate of the sewage is reduced by the cobblestones 24 in the water seepage area 23, so that part of pollutants are settled, and the purpose of primary purification is achieved.
A support plate 31 with sieve holes is horizontally arranged in the primary nitrogen and phosphorus removal tank 3, a water passing area 34 is reserved between the support plate 31 and the bottom of the primary nitrogen and phosphorus removal tank 3, ceramsite 32 and FeZn-LDHs coated modified zeolite 33 are sequentially filled above the support plate 31 from top to bottom, a water inlet of the primary nitrogen and phosphorus removal tank 3 is arranged above the ceramsite 32, and a water outlet of the primary nitrogen and phosphorus removal tank 3 is arranged below the support plate 31; the sewage in the water seepage zone 23 flows into the primary nitrogen and phosphorus removal tank 3 under the action of self gravity, and the ceramsite 32 and the FeZn-LDHs coated modified zeolite 33 in the primary nitrogen and phosphorus removal tank 3 adsorb organic pollutants such as nitrogen, phosphorus and the like in the sewage, so that the aim of secondary purification is fulfilled.
The FeZn-LDHs film-coated modified zeolite 33 is prepared by a hydrothermal coprecipitation method under alkaline conditions, and specifically comprises the following steps: according to the weight ratio of divalent metal elements to trivalent metal elements of 2: simultaneously adding the ZnCl2 solution and the FeCl3 solution prepared in the step 1 into 1L of distilled water filled with cleaned zeolite, heating to ensure that the water temperature is constant to 80 ℃, and continuously adding 25 percent NaOH to maintain the pH value of the solution at 11-12; continuously and uniformly stirring for 4h, taking out the matrix mixture, and carrying out centrifugal separation for 10min at 1500 r.min < -1 > of 1000-; then, deionized water is used for cleaning the substrate until the cleaning water is neutral; finally, the mixture is dried in a baking oven at 100 ℃ for 16h and then taken out to obtain the FeZn-LDHs film-coated modified zeolite 33.
A plurality of carrier solidified microorganism generators 41 are uniformly arranged at the bottom of the secondary denitrification and dephosphorization tank 4, a plurality of aeration pipes 42 are arranged above the carrier solidified microorganism generators 41, a baffle plate 43 is horizontally arranged between the aeration pipes 42 and the carrier solidified microorganism generators 41, specifically, the baffle plate 43 is connected with the inner wall of the secondary denitrification and dephosphorization tank 4 through a support rod 431 and is suspended between the aeration pipes 42 and the carrier solidified microorganism generators 41, the baffle plate 43 is arranged to prevent bubbles generated by the aeration pipes 42 from directly impacting the carrier solidified microorganism generators 41, so that the microorganism carriers in the carrier solidified microorganism generators 41 are prevented from being accelerated to be cracked, gas in the aeration pipes 42 overflows in a bubble form, a bubble area in water is manufactured above the baffle plate 43 to fuse oxygen into the water, and provide sufficient oxygen for the propagation of microorganisms, the nitrogen and phosphorus removal effect of the microorganisms is better, and the sewage treatment effect is good.
A thermometer 44 is arranged on the inner wall of the secondary nitrogen and phosphorus removal tank 4, a fan 45 is arranged outside the secondary nitrogen and phosphorus removal tank 4, a heater 451 is arranged on the fan 45, and an aeration pipe 42 is communicated with the fan 45 through an air guide pipe 452; in the sewage treatment, when the sewage temperature is lower than 10 ℃, microorganisms can not grow any more, therefore, when the sewage temperature displayed by the thermometer 44 is lower than 10 ℃, the heater 451 on the fan 45 can be started, the aeration pipe 42 generates heating bubbles, the temperature of the sewage is properly increased, a proper temperature is provided for the propagation of the microorganisms, the influence of low temperature on the propagation of the microorganisms is avoided, and the sewage treatment effect is better.
The upper part of the secondary denitrification and dephosphorization tank 4 is provided with a drain pipe 46, and the drain pipe 46 is provided with a water pump 47. The water discharge pipe 46 is matched with a water pump 47 to discharge purified water.
Preferably, the preferred thickness of the pebbles 24 is 60cm, and of course, the thickness of the pebbles 24 may be any value within the range of 50-80cm without affecting the protection scope of the present invention, and the preferred diameter of the pebbles 24 is 3-6 cm.
Preferably, the preferred thickness of the ceramic particles 32 is 30cm, and of course, the thickness of the ceramic particles 32 can be any value within the range of 20-40cm without affecting the protection scope of the present invention, and the preferred diameter of the ceramic particles 32 is 2-4 mm.
Preferably, the preferred arrangement thickness of the FeZn-LDHs coated modified zeolite 33 is 40cm, and of course, the arrangement thickness of the FeZn-LDHs coated modified zeolite 33 may be any value within the range of 20-40cm without affecting the protection scope of the present invention, and the preferred particle size of the FeZn-LDHs coated modified zeolite 33 is 1-3 mm.
Preferably, the heating temperature of the heater 451 is 30 ℃, and of course, the heating temperature of the heater 451 may be any value within the range of 20-43 ℃ without affecting the protection scope of the present invention. In the sewage treatment, the optimum temperature range of the microorganisms is generally 16 to 30 ℃ and the maximum temperature is 37 to 43 ℃, so that the heating temperature of the heater 451 is controlled to be in the range of 20 to 43 ℃ to be more advantageous for the growth and propagation of the microorganisms.
The above embodiments are merely preferred embodiments of the present invention, which are not intended to limit the present invention in any way; the invention is not limited to the embodiments described herein, but is capable of other embodiments according to the invention, and may be used in various other applications, including, but not limited to, industrial. Therefore, any simple modification, equivalent replacement, equivalent change and modification made to the above embodiments by the technical entity of the present invention all still belong to the protection scope of the technical solution of the present invention.
Claims (6)
1. The utility model provides an artifical solidification microorganism sewage treatment plant who strengthens nitrogen and phosphorus removal which characterized in that: comprises a filter tank (1), a regulating tank (2), a primary nitrogen and phosphorus removal tank (3) and a secondary nitrogen and phosphorus removal tank (4) which are sequentially communicated by water pipes; the filter tank (1), the regulating tank (2), the primary nitrogen and phosphorus removal tank (3) and the secondary nitrogen and phosphorus removal tank (4) are arranged in sequence in a fall way;
the inner space of the filtering tank (1) is divided into a water inlet area (12) and a water outlet area (13) by a filter screen (11) along the water flow direction, and a water inlet and a water outlet of the filtering tank (1) are respectively arranged at the upper part of the water inlet area (12) and the lower part of the water outlet area (13); the inner space of the adjusting tank (2) is divided into a settling zone (22) and a water seepage zone (23) by an overflow wall (21) along the water flow direction, cobblestones (24) are filled in the water seepage zone (23), and a water inlet and a water outlet of the adjusting tank (2) are respectively arranged at the upper part of the settling zone (22) and the lower part of the water seepage zone (23);
a supporting plate (31) with sieve holes is horizontally arranged in the primary nitrogen and phosphorus removal tank (3), a water passing area (34) is reserved between the supporting plate (31) and the bottom of the primary nitrogen and phosphorus removal tank (3), ceramsite (32) and FeZn-LDHs coated modified zeolite (33) are sequentially filled above the supporting plate (31) from top to bottom, a water inlet of the primary nitrogen and phosphorus removal tank (3) is arranged above the ceramsite (32), and a water outlet of the primary nitrogen and phosphorus removal tank is arranged below the supporting plate (31); a plurality of carrier solidification microbial generators (41) are uniformly arranged at the bottom of the secondary nitrogen and phosphorus removal tank (4), a plurality of aeration pipes (42) are arranged above the carrier solidification microbial generators (41), and a flow baffle (43) is horizontally arranged between each aeration pipe (42) and each carrier solidification microbial generator (41); a thermometer (44) is installed on the inner wall of the secondary nitrogen and phosphorus removal tank (4), a fan (45) is arranged outside the secondary nitrogen and phosphorus removal tank (4), a heater (451) is arranged on the fan (45), and the aeration pipe (42) is communicated with the fan (45) through an air guide pipe (452); the upper part of the secondary denitrification and dephosphorization tank (4) is provided with a drain pipe (46), and the drain pipe (46) is provided with a water pump (47).
2. The device for treating the solidified microorganism sewage with the artificially enhanced nitrogen and phosphorus removal function according to claim 1, which is characterized in that: the arrangement thickness of the cobblestones (24) is 50-80cm, and the diameter of the cobblestones (24) is 3-6 cm.
3. The device for treating the solidified microorganism sewage with the artificially enhanced nitrogen and phosphorus removal function according to claim 1, which is characterized in that: the arrangement thickness of the ceramsite (32) is 20-40cm, and the diameter of the ceramsite (32) is 2-4 mm.
4. The device for treating the solidified microorganism sewage with the artificially enhanced nitrogen and phosphorus removal function according to claim 1, which is characterized in that: the arrangement thickness of the FeZn-LDHs film-coated modified zeolite (33) is 20-40cm, and the particle size of the FeZn-LDHs film-coated modified zeolite (33) is 1-3 mm.
5. The device for treating the solidified microorganism sewage with the artificially enhanced nitrogen and phosphorus removal function according to claim 1, which is characterized in that: the heating temperature of the heater (451) is 20-43 ℃.
6. The apparatus of any one of claims 1-5, wherein the apparatus comprises: the bottom surface of the filter tank (1) is higher than the upper opening of the regulating tank (2), the bottom surface of the regulating tank (2) is higher than the upper opening of the primary nitrogen and phosphorus removal tank (3), and the bottom surface of the primary nitrogen and phosphorus removal tank (3) is higher than the upper opening of the secondary nitrogen and phosphorus removal tank (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920976101.0U CN210150921U (en) | 2019-06-26 | 2019-06-26 | Solidification microorganism sewage treatment plant of artifical intensive nitrogen and phosphorus removal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920976101.0U CN210150921U (en) | 2019-06-26 | 2019-06-26 | Solidification microorganism sewage treatment plant of artifical intensive nitrogen and phosphorus removal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210150921U true CN210150921U (en) | 2020-03-17 |
Family
ID=69764363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920976101.0U Expired - Fee Related CN210150921U (en) | 2019-06-26 | 2019-06-26 | Solidification microorganism sewage treatment plant of artifical intensive nitrogen and phosphorus removal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210150921U (en) |
-
2019
- 2019-06-26 CN CN201920976101.0U patent/CN210150921U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101215069B (en) | Industrialization ecological treatment circulation utilization system for fish culture waste water | |
| CN204824550U (en) | A device for rural domestic sewage treatment | |
| CN101328000B (en) | Method for lichenism system purification and short-term contact oxidation comprehensive processing sewerage | |
| CN105668943B (en) | For the multi-stage aeration biological filter tank of purification of water quality and its purification process | |
| CN104817239A (en) | Novel in-situ water purification system and purification method for heavily polluted river | |
| CN205556397U (en) | A multistage bological aerated filter for quality of water purifies | |
| CN111606414A (en) | SBR reactor for stably culturing aerobic granular sludge and operation method thereof | |
| CN110668575A (en) | Full-automatic efficient nitrogen and phosphorus removal tidal flow constructed wetland and use method thereof | |
| CN109879528B (en) | Self-driven landscape ecological treatment method and system for rural domestic sewage | |
| CN206089379U (en) | Sewage treatment plant is used at distributed family | |
| CN212687690U (en) | Sequencing batch aerobic granular sludge reactor | |
| CN117566939A (en) | Fishery photovoltaic complementary ecological purification ditch system for aquaculture tail water | |
| CN112028241A (en) | Novel sewage purification groove device | |
| CN210438573U (en) | Stifled oxygenation type constructed wetland system of inhibiting | |
| CN210150921U (en) | Solidification microorganism sewage treatment plant of artifical intensive nitrogen and phosphorus removal | |
| CN107827230B (en) | Constant-temperature intelligent control MBR water treatment device for high-nitrogen and phosphorus sewage in low-temperature area | |
| CN202717626U (en) | Biological stuffing sewage treatment unit | |
| CN212425789U (en) | Domestic sewage treatment device | |
| CN106277592B (en) | Double-membrane self-circulation sewage treatment system | |
| CN213865815U (en) | Integrated domestic sewage treatment equipment | |
| CN211141641U (en) | Municipal administration sewage advanced treatment system | |
| CN210457821U (en) | Natural oxygenation type sewage treatment system | |
| CN110143671B (en) | Grid matrix filled siphon type vertical flow constructed wetland and application | |
| CN210340476U (en) | Siphon type vertical flow constructed wetland filled with cell matrix | |
| CN113912248A (en) | Composite process treatment system suitable for rural domestic sewage |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200317 Termination date: 20210626 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |